Home / 1,038,094,079.29-1,557,145,158.76-251,146,469.40

Finding the Fourth Proportional to 1,038,094,079.29, 1,557,145,158.76 and 251,146,469.40

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Solution

The fourth proportional to 1,038,094,079.29, 1,557,145,158.76 and 251,146,469.40 is: 376,720,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,094,079.29 : 1,557,145,158.76 = 251,146,469.40 : x
  2. Step 2: Convert to fraction form
    1,038,094,079.29/1,557,145,158.76 = 251,146,469.40/x
  3. Step 3: Cross multiply
    1,038,094,079.29x = 1,557,145,158.76 × 251,146,469.40
  4. Step 4: Simplify right side
    1,038,094,079.29x = 391,071,508,958,957,312
  5. Step 5: Solve for x
    x = 391,071,508,958,957,312/1,038,094,079.29
  6. Step 6: Final answer
    x = 376,720,681.45

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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.