Home / 531,400,218.13-797,046,508.53-143,262,283.78

Finding the Fourth Proportional to 531,400,218.13, 797,046,508.53 and 143,262,283.78

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Solution

The fourth proportional to 531,400,218.13, 797,046,508.53 and 143,262,283.78 is: 214,878,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,400,218.13 : 797,046,508.53 = 143,262,283.78 : x
  2. Step 2: Convert to fraction form
    531,400,218.13/797,046,508.53 = 143,262,283.78/x
  3. Step 3: Cross multiply
    531,400,218.13x = 797,046,508.53 × 143,262,283.78
  4. Step 4: Simplify right side
    531,400,218.13x = 114,186,703,088,890,432
  5. Step 5: Solve for x
    x = 114,186,703,088,890,432/531,400,218.13
  6. Step 6: Final answer
    x = 214,878,916.48

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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.