Home / 1,447,331,177.32-2,165,518,211.48-857,438,021.16

Finding the Fourth Proportional to 1,447,331,177.32, 2,165,518,211.48 and 857,438,021.16

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Solution

The fourth proportional to 1,447,331,177.32, 2,165,518,211.48 and 857,438,021.16 is: 1,282,911,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,331,177.32 : 2,165,518,211.48 = 857,438,021.16 : x
  2. Step 2: Convert to fraction form
    1,447,331,177.32/2,165,518,211.48 = 857,438,021.16/x
  3. Step 3: Cross multiply
    1,447,331,177.32x = 2,165,518,211.48 × 857,438,021.16
  4. Step 4: Simplify right side
    1,447,331,177.32x = 1,856,797,650,037,353,472
  5. Step 5: Solve for x
    x = 1,856,797,650,037,353,472/1,447,331,177.32
  6. Step 6: Final answer
    x = 1,282,911,388.31

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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.