Home / 763,578,021.93-1,145,359,714.31-452,461,686.14

Finding the Fourth Proportional to 763,578,021.93, 1,145,359,714.31 and 452,461,686.14

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Solution

The fourth proportional to 763,578,021.93, 1,145,359,714.31 and 452,461,686.14 is: 678,688,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,578,021.93 : 1,145,359,714.31 = 452,461,686.14 : x
  2. Step 2: Convert to fraction form
    763,578,021.93/1,145,359,714.31 = 452,461,686.14/x
  3. Step 3: Cross multiply
    763,578,021.93x = 1,145,359,714.31 × 452,461,686.14
  4. Step 4: Simplify right side
    763,578,021.93x = 518,231,387,577,073,408
  5. Step 5: Solve for x
    x = 518,231,387,577,073,408/763,578,021.93
  6. Step 6: Final answer
    x = 678,688,192.55

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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.