Home / 12,747,500,859.65-19,121,287,161.94-4,889,321,941.10

Finding the Fourth Proportional to 12,747,500,859.65, 19,121,287,161.94 and 4,889,321,941.10

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Solution

The fourth proportional to 12,747,500,859.65, 19,121,287,161.94 and 4,889,321,941.10 is: 7,333,996,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747,500,859.65 : 19,121,287,161.94 = 4,889,321,941.10 : x
  2. Step 2: Convert to fraction form
    12,747,500,859.65/19,121,287,161.94 = 4,889,321,941.10/x
  3. Step 3: Cross multiply
    12,747,500,859.65x = 19,121,287,161.94 × 4,889,321,941.10
  4. Step 4: Simplify right side
    12,747,500,859.65x = 93,490,128,862,841,602,048
  5. Step 5: Solve for x
    x = 93,490,128,862,841,602,048/12,747,500,859.65
  6. Step 6: Final answer
    x = 7,333,996,670.58

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1.5x scale

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.