Home / 265,720,998.40-398,581,497.60-169,105,024.60

Finding the Fourth Proportional to 265,720,998.40, 398,581,497.60 and 169,105,024.60

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Solution

The fourth proportional to 265,720,998.40, 398,581,497.60 and 169,105,024.60 is: 253,657,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,998.40 : 398,581,497.60 = 169,105,024.60 : x
  2. Step 2: Convert to fraction form
    265,720,998.40/398,581,497.60 = 169,105,024.60/x
  3. Step 3: Cross multiply
    265,720,998.40x = 398,581,497.60 × 169,105,024.60
  4. Step 4: Simplify right side
    265,720,998.40x = 67,402,133,956,752,840
  5. Step 5: Solve for x
    x = 67,402,133,956,752,840/265,720,998.40
  6. Step 6: Final answer
    x = 253,657,536.90

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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.