Home / 688,510,510.56-950,120,197.38-375,238,506.96

Finding the Fourth Proportional to 688,510,510.56, 950,120,197.38 and 375,238,506.96

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Solution

The fourth proportional to 688,510,510.56, 950,120,197.38 and 375,238,506.96 is: 517,815,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,510,510.56 : 950,120,197.38 = 375,238,506.96 : x
  2. Step 2: Convert to fraction form
    688,510,510.56/950,120,197.38 = 375,238,506.96/x
  3. Step 3: Cross multiply
    688,510,510.56x = 950,120,197.38 × 375,238,506.96
  4. Step 4: Simplify right side
    688,510,510.56x = 356,521,684,297,411,712
  5. Step 5: Solve for x
    x = 356,521,684,297,411,712/688,510,510.56
  6. Step 6: Final answer
    x = 517,815,892.17

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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.