Home / 688,840,933.84-950,607,908.04-375,572,591.44

Finding the Fourth Proportional to 688,840,933.84, 950,607,908.04 and 375,572,591.44

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Solution

The fourth proportional to 688,840,933.84, 950,607,908.04 and 375,572,591.44 is: 518,294,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,840,933.84 : 950,607,908.04 = 375,572,591.44 : x
  2. Step 2: Convert to fraction form
    688,840,933.84/950,607,908.04 = 375,572,591.44/x
  3. Step 3: Cross multiply
    688,840,933.84x = 950,607,908.04 × 375,572,591.44
  4. Step 4: Simplify right side
    688,840,933.84x = 357,022,275,465,939,968
  5. Step 5: Solve for x
    x = 357,022,275,465,939,968/688,840,933.84
  6. Step 6: Final answer
    x = 518,294,221.39

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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.