Home / 1,559,773,631.89-2,152,718,634.87-987,609,864.98

Finding the Fourth Proportional to 1,559,773,631.89, 2,152,718,634.87 and 987,609,864.98

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Solution

The fourth proportional to 1,559,773,631.89, 2,152,718,634.87 and 987,609,864.98 is: 1,363,047,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,773,631.89 : 2,152,718,634.87 = 987,609,864.98 : x
  2. Step 2: Convert to fraction form
    1,559,773,631.89/2,152,718,634.87 = 987,609,864.98/x
  3. Step 3: Cross multiply
    1,559,773,631.89x = 2,152,718,634.87 × 987,609,864.98
  4. Step 4: Simplify right side
    1,559,773,631.89x = 2,126,046,160,329,272,320
  5. Step 5: Solve for x
    x = 2,126,046,160,329,272,320/1,559,773,631.89
  6. Step 6: Final answer
    x = 1,363,047,891.60

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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.