Home / 531,400,219.13-797,046,510.03-143,262,284.78

Finding the Fourth Proportional to 531,400,219.13, 797,046,510.03 and 143,262,284.78

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Solution

The fourth proportional to 531,400,219.13, 797,046,510.03 and 143,262,284.78 is: 214,878,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,400,219.13 : 797,046,510.03 = 143,262,284.78 : x
  2. Step 2: Convert to fraction form
    531,400,219.13/797,046,510.03 = 143,262,284.78/x
  3. Step 3: Cross multiply
    531,400,219.13x = 797,046,510.03 × 143,262,284.78
  4. Step 4: Simplify right side
    531,400,219.13x = 114,186,704,102,822,976
  5. Step 5: Solve for x
    x = 114,186,704,102,822,976/531,400,219.13
  6. Step 6: Final answer
    x = 214,878,917.98

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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.