Home / 1,159,575,373.10-1,739,363,059.65-393,670,477.10

Finding the Fourth Proportional to 1,159,575,373.10, 1,739,363,059.65 and 393,670,477.10

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Solution

The fourth proportional to 1,159,575,373.10, 1,739,363,059.65 and 393,670,477.10 is: 590,505,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,575,373.10 : 1,739,363,059.65 = 393,670,477.10 : x
  2. Step 2: Convert to fraction form
    1,159,575,373.10/1,739,363,059.65 = 393,670,477.10/x
  3. Step 3: Cross multiply
    1,159,575,373.10x = 1,739,363,059.65 × 393,670,477.10
  4. Step 4: Simplify right side
    1,159,575,373.10x = 684,735,885,542,531,328
  5. Step 5: Solve for x
    x = 684,735,885,542,531,328/1,159,575,373.10
  6. Step 6: Final answer
    x = 590,505,715.65

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Double scale
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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.