Home / 871,937,482.92-1,203,264,942.48-475,459,470.24

Finding the Fourth Proportional to 871,937,482.92, 1,203,264,942.48 and 475,459,470.24

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Solution

The fourth proportional to 871,937,482.92, 1,203,264,942.48 and 475,459,470.24 is: 656,129,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,937,482.92 : 1,203,264,942.48 = 475,459,470.24 : x
  2. Step 2: Convert to fraction form
    871,937,482.92/1,203,264,942.48 = 475,459,470.24/x
  3. Step 3: Cross multiply
    871,937,482.92x = 1,203,264,942.48 × 475,459,470.24
  4. Step 4: Simplify right side
    871,937,482.92x = 572,103,712,109,904,896
  5. Step 5: Solve for x
    x = 572,103,712,109,904,896/871,937,482.92
  6. Step 6: Final answer
    x = 656,129,279.12

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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.