Home / 399,034,861,461-550,663,721,908.02-216,127,413,024.84

Finding the Fourth Proportional to 399,034,861,461, 550,663,721,908.02 and 216,127,413,024.84

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Solution

The fourth proportional to 399,034,861,461, 550,663,721,908.02 and 216,127,413,024.84 is: 298,253,453,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,034,861,461 : 550,663,721,908.02 = 216,127,413,024.84 : x
  2. Step 2: Convert to fraction form
    399,034,861,461/550,663,721,908.02 = 216,127,413,024.84/x
  3. Step 3: Cross multiply
    399,034,861,461x = 550,663,721,908.02 × 216,127,413,024.84
  4. Step 4: Simplify right side
    399,034,861,461x = 119,013,525,662,610,281,725,952
  5. Step 5: Solve for x
    x = 119,013,525,662,610,281,725,952/399,034,861,461
  6. Step 6: Final answer
    x = 298,253,453,913.43

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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.