Home / 687,615,095.52-1,031,780,961.36-304,573,068

Finding the Fourth Proportional to 687,615,095.52, 1,031,780,961.36 and 304,573,068

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Solution

The fourth proportional to 687,615,095.52, 1,031,780,961.36 and 304,573,068 is: 457,018,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,615,095.52 : 1,031,780,961.36 = 304,573,068 : x
  2. Step 2: Convert to fraction form
    687,615,095.52/1,031,780,961.36 = 304,573,068/x
  3. Step 3: Cross multiply
    687,615,095.52x = 1,031,780,961.36 × 304,573,068
  4. Step 4: Simplify right side
    687,615,095.52x = 314,252,692,905,404,672
  5. Step 5: Solve for x
    x = 314,252,692,905,404,672/687,615,095.52
  6. Step 6: Final answer
    x = 457,018,315.85

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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.