Home / 1,030,933,985.55-1,422,735,749.06-607,565,515.11

Finding the Fourth Proportional to 1,030,933,985.55, 1,422,735,749.06 and 607,565,515.11

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Solution

The fourth proportional to 1,030,933,985.55, 1,422,735,749.06 and 607,565,515.11 is: 838,468,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,933,985.55 : 1,422,735,749.06 = 607,565,515.11 : x
  2. Step 2: Convert to fraction form
    1,030,933,985.55/1,422,735,749.06 = 607,565,515.11/x
  3. Step 3: Cross multiply
    1,030,933,985.55x = 1,422,735,749.06 × 607,565,515.11
  4. Step 4: Simplify right side
    1,030,933,985.55x = 864,405,178,240,012,800
  5. Step 5: Solve for x
    x = 864,405,178,240,012,800/1,030,933,985.55
  6. Step 6: Final answer
    x = 838,468,020.61

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.