Home / 504,158,681.70-756,238,022.55-418,065,239.70

Finding the Fourth Proportional to 504,158,681.70, 756,238,022.55 and 418,065,239.70

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Solution

The fourth proportional to 504,158,681.70, 756,238,022.55 and 418,065,239.70 is: 627,097,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,158,681.70 : 756,238,022.55 = 418,065,239.70 : x
  2. Step 2: Convert to fraction form
    504,158,681.70/756,238,022.55 = 418,065,239.70/x
  3. Step 3: Cross multiply
    504,158,681.70x = 756,238,022.55 × 418,065,239.70
  4. Step 4: Simplify right side
    504,158,681.70x = 316,156,830,167,619,712
  5. Step 5: Solve for x
    x = 316,156,830,167,619,712/504,158,681.70
  6. Step 6: Final answer
    x = 627,097,859.55

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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.