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Finding the Fourth Proportional to 413,796,300.76, 619,992,059.10 and 249,689,244.52

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Solution

The fourth proportional to 413,796,300.76, 619,992,059.10 and 249,689,244.52 is: 374,110,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,796,300.76 : 619,992,059.10 = 249,689,244.52 : x
  2. Step 2: Convert to fraction form
    413,796,300.76/619,992,059.10 = 249,689,244.52/x
  3. Step 3: Cross multiply
    413,796,300.76x = 619,992,059.10 × 249,689,244.52
  4. Step 4: Simplify right side
    413,796,300.76x = 154,805,348,845,078,208
  5. Step 5: Solve for x
    x = 154,805,348,845,078,208/413,796,300.76
  6. Step 6: Final answer
    x = 374,110,035.69

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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.