Home / 828,134,670.81-1,142,829,552.51-451,790,118.06

Finding the Fourth Proportional to 828,134,670.81, 1,142,829,552.51 and 451,790,118.06

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Solution

The fourth proportional to 828,134,670.81, 1,142,829,552.51 and 451,790,118.06 is: 623,472,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,134,670.81 : 1,142,829,552.51 = 451,790,118.06 : x
  2. Step 2: Convert to fraction form
    828,134,670.81/1,142,829,552.51 = 451,790,118.06/x
  3. Step 3: Cross multiply
    828,134,670.81x = 1,142,829,552.51 × 451,790,118.06
  4. Step 4: Simplify right side
    828,134,670.81x = 516,319,098,450,949,888
  5. Step 5: Solve for x
    x = 516,319,098,450,949,888/828,134,670.81
  6. Step 6: Final answer
    x = 623,472,385.17

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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.