Home / 746,520,083.40-1,119,780,125.10-472,406,752.20

Finding the Fourth Proportional to 746,520,083.40, 1,119,780,125.10 and 472,406,752.20

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Solution

The fourth proportional to 746,520,083.40, 1,119,780,125.10 and 472,406,752.20 is: 708,610,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,520,083.40 : 1,119,780,125.10 = 472,406,752.20 : x
  2. Step 2: Convert to fraction form
    746,520,083.40/1,119,780,125.10 = 472,406,752.20/x
  3. Step 3: Cross multiply
    746,520,083.40x = 1,119,780,125.10 × 472,406,752.20
  4. Step 4: Simplify right side
    746,520,083.40x = 528,991,692,076,600,640
  5. Step 5: Solve for x
    x = 528,991,692,076,600,640/746,520,083.40
  6. Step 6: Final answer
    x = 708,610,128.30

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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.