Home / 534,135,938.10-801,203,907.15-396,386,430.90

Finding the Fourth Proportional to 534,135,938.10, 801,203,907.15 and 396,386,430.90

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Solution

The fourth proportional to 534,135,938.10, 801,203,907.15 and 396,386,430.90 is: 594,579,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,135,938.10 : 801,203,907.15 = 396,386,430.90 : x
  2. Step 2: Convert to fraction form
    534,135,938.10/801,203,907.15 = 396,386,430.90/x
  3. Step 3: Cross multiply
    534,135,938.10x = 801,203,907.15 × 396,386,430.90
  4. Step 4: Simplify right side
    534,135,938.10x = 317,586,357,178,323,456
  5. Step 5: Solve for x
    x = 317,586,357,178,323,456/534,135,938.10
  6. Step 6: Final answer
    x = 594,579,646.35

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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.