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Finding the Fourth Proportional to 360,433,929, 540,704,846.88 and 130,456,821.36

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Solution

The fourth proportional to 360,433,929, 540,704,846.88 and 130,456,821.36 is: 195,704,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,433,929 : 540,704,846.88 = 130,456,821.36 : x
  2. Step 2: Convert to fraction form
    360,433,929/540,704,846.88 = 130,456,821.36/x
  3. Step 3: Cross multiply
    360,433,929x = 540,704,846.88 × 130,456,821.36
  4. Step 4: Simplify right side
    360,433,929x = 70,538,635,617,910,312
  5. Step 5: Solve for x
    x = 70,538,635,617,910,312/360,433,929
  6. Step 6: Final answer
    x = 195,704,760.13

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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.