Home / 752,395,767.88-1,038,319,000.07-413,318,547.56

Finding the Fourth Proportional to 752,395,767.88, 1,038,319,000.07 and 413,318,547.56

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Solution

The fourth proportional to 752,395,767.88, 1,038,319,000.07 and 413,318,547.56 is: 570,386,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,395,767.88 : 1,038,319,000.07 = 413,318,547.56 : x
  2. Step 2: Convert to fraction form
    752,395,767.88/1,038,319,000.07 = 413,318,547.56/x
  3. Step 3: Cross multiply
    752,395,767.88x = 1,038,319,000.07 × 413,318,547.56
  4. Step 4: Simplify right side
    752,395,767.88x = 429,156,501,012,883,968
  5. Step 5: Solve for x
    x = 429,156,501,012,883,968/752,395,767.88
  6. Step 6: Final answer
    x = 570,386,649.33

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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.