Home / 719,261,139.16-1,078,454,818.86-282,038,023.72

Finding the Fourth Proportional to 719,261,139.16, 1,078,454,818.86 and 282,038,023.72

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Solution

The fourth proportional to 719,261,139.16, 1,078,454,818.86 and 282,038,023.72 is: 422,885,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,261,139.16 : 1,078,454,818.86 = 282,038,023.72 : x
  2. Step 2: Convert to fraction form
    719,261,139.16/1,078,454,818.86 = 282,038,023.72/x
  3. Step 3: Cross multiply
    719,261,139.16x = 1,078,454,818.86 × 282,038,023.72
  4. Step 4: Simplify right side
    719,261,139.16x = 304,165,265,782,584,960
  5. Step 5: Solve for x
    x = 304,165,265,782,584,960/719,261,139.16
  6. Step 6: Final answer
    x = 422,885,721.50

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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.