Home / 1,038,752,927.25-1,558,132,490.89-251,803,459.72

Finding the Fourth Proportional to 1,038,752,927.25, 1,558,132,490.89 and 251,803,459.72

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Solution

The fourth proportional to 1,038,752,927.25, 1,558,132,490.89 and 251,803,459.72 is: 377,705,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,752,927.25 : 1,558,132,490.89 = 251,803,459.72 : x
  2. Step 2: Convert to fraction form
    1,038,752,927.25/1,558,132,490.89 = 251,803,459.72/x
  3. Step 3: Cross multiply
    1,038,752,927.25x = 1,558,132,490.89 × 251,803,459.72
  4. Step 4: Simplify right side
    1,038,752,927.25x = 392,343,151,910,493,248
  5. Step 5: Solve for x
    x = 392,343,151,910,493,248/1,038,752,927.25
  6. Step 6: Final answer
    x = 377,705,941.06

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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.