Home / 828,812,947.74-1,143,754,852.86-457,527,007.50

Finding the Fourth Proportional to 828,812,947.74, 1,143,754,852.86 and 457,527,007.50

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Solution

The fourth proportional to 828,812,947.74, 1,143,754,852.86 and 457,527,007.50 is: 631,383,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,812,947.74 : 1,143,754,852.86 = 457,527,007.50 : x
  2. Step 2: Convert to fraction form
    828,812,947.74/1,143,754,852.86 = 457,527,007.50/x
  3. Step 3: Cross multiply
    828,812,947.74x = 1,143,754,852.86 × 457,527,007.50
  4. Step 4: Simplify right side
    828,812,947.74x = 523,298,735,142,638,592
  5. Step 5: Solve for x
    x = 523,298,735,142,638,592/828,812,947.74
  6. Step 6: Final answer
    x = 631,383,397.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.