Home / 1,158,770,017.10-1,738,155,025.65-546,549,985.10

Finding the Fourth Proportional to 1,158,770,017.10, 1,738,155,025.65 and 546,549,985.10

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Solution

The fourth proportional to 1,158,770,017.10, 1,738,155,025.65 and 546,549,985.10 is: 819,824,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,770,017.10 : 1,738,155,025.65 = 546,549,985.10 : x
  2. Step 2: Convert to fraction form
    1,158,770,017.10/1,738,155,025.65 = 546,549,985.10/x
  3. Step 3: Cross multiply
    1,158,770,017.10x = 1,738,155,025.65 × 546,549,985.10
  4. Step 4: Simplify right side
    1,158,770,017.10x = 949,988,603,370,497,664
  5. Step 5: Solve for x
    x = 949,988,603,370,497,664/1,158,770,017.10
  6. Step 6: Final answer
    x = 819,824,977.65

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Half scale
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Double scale
Find fourth proportional to 1,158,770,018.10, 1,738,155,027.15 and 546,549,986.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.