Home / 1,078,950,101.76-1,488,935,294.49-602,647,421.64

Finding the Fourth Proportional to 1,078,950,101.76, 1,488,935,294.49 and 602,647,421.64

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Solution

The fourth proportional to 1,078,950,101.76, 1,488,935,294.49 and 602,647,421.64 is: 831,644,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,950,101.76 : 1,488,935,294.49 = 602,647,421.64 : x
  2. Step 2: Convert to fraction form
    1,078,950,101.76/1,488,935,294.49 = 602,647,421.64/x
  3. Step 3: Cross multiply
    1,078,950,101.76x = 1,488,935,294.49 × 602,647,421.64
  4. Step 4: Simplify right side
    1,078,950,101.76x = 897,303,016,213,192,576
  5. Step 5: Solve for x
    x = 897,303,016,213,192,576/1,078,950,101.76
  6. Step 6: Final answer
    x = 831,644,591.12

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Double scale
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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.