Home / 687,054,117.93-1,030,110,691.45-349,878,984.11

Finding the Fourth Proportional to 687,054,117.93, 1,030,110,691.45 and 349,878,984.11

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Solution

The fourth proportional to 687,054,117.93, 1,030,110,691.45 and 349,878,984.11 is: 524,578,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,054,117.93 : 1,030,110,691.45 = 349,878,984.11 : x
  2. Step 2: Convert to fraction form
    687,054,117.93/1,030,110,691.45 = 349,878,984.11/x
  3. Step 3: Cross multiply
    687,054,117.93x = 1,030,110,691.45 × 349,878,984.11
  4. Step 4: Simplify right side
    687,054,117.93x = 360,414,082,245,375,680
  5. Step 5: Solve for x
    x = 360,414,082,245,375,680/687,054,117.93
  6. Step 6: Final answer
    x = 524,578,883.73

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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.