Home / 12,747,500,838.03-19,121,287,129.49-4,889,321,919.49

Finding the Fourth Proportional to 12,747,500,838.03, 19,121,287,129.49 and 4,889,321,919.49

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Solution

The fourth proportional to 12,747,500,838.03, 19,121,287,129.49 and 4,889,321,919.49 is: 7,333,996,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,838.03 : 19,121,287,129.49 = 4,889,321,919.49 : x
  2. Step 2: Convert to fraction form
    12,747,500,838.03/19,121,287,129.49 = 4,889,321,919.49/x
  3. Step 3: Cross multiply
    12,747,500,838.03x = 19,121,287,129.49 × 4,889,321,919.49
  4. Step 4: Simplify right side
    12,747,500,838.03x = 93,490,128,290,957,426,688
  5. Step 5: Solve for x
    x = 93,490,128,290,957,426,688/12,747,500,838.03
  6. Step 6: Final answer
    x = 7,333,996,638.15

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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.