Home / 691,078,924.17-953,692,287.05-377,813,153.52

Finding the Fourth Proportional to 691,078,924.17, 953,692,287.05 and 377,813,153.52

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Solution

The fourth proportional to 691,078,924.17, 953,692,287.05 and 377,813,153.52 is: 521,383,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,078,924.17 : 953,692,287.05 = 377,813,153.52 : x
  2. Step 2: Convert to fraction form
    691,078,924.17/953,692,287.05 = 377,813,153.52/x
  3. Step 3: Cross multiply
    691,078,924.17x = 953,692,287.05 × 377,813,153.52
  4. Step 4: Simplify right side
    691,078,924.17x = 360,317,490,459,006,080
  5. Step 5: Solve for x
    x = 360,317,490,459,006,080/691,078,924.17
  6. Step 6: Final answer
    x = 521,383,995.17

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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.