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Finding the Fourth Proportional to 926,615,397.12, 1,278,418,138.08 and 524,674,224

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Solution

The fourth proportional to 926,615,397.12, 1,278,418,138.08 and 524,674,224 is: 723,874,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,615,397.12 : 1,278,418,138.08 = 524,674,224 : x
  2. Step 2: Convert to fraction form
    926,615,397.12/1,278,418,138.08 = 524,674,224/x
  3. Step 3: Cross multiply
    926,615,397.12x = 1,278,418,138.08 × 524,674,224
  4. Step 4: Simplify right side
    926,615,397.12x = 670,753,044,544,648,832
  5. Step 5: Solve for x
    x = 670,753,044,544,648,832/926,615,397.12
  6. Step 6: Final answer
    x = 723,874,270.41

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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.