Home / 1,270,304,432.67-1,753,067,427.24-761,749,943.45

Finding the Fourth Proportional to 1,270,304,432.67, 1,753,067,427.24 and 761,749,943.45

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Solution

The fourth proportional to 1,270,304,432.67, 1,753,067,427.24 and 761,749,943.45 is: 1,051,243,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,304,432.67 : 1,753,067,427.24 = 761,749,943.45 : x
  2. Step 2: Convert to fraction form
    1,270,304,432.67/1,753,067,427.24 = 761,749,943.45/x
  3. Step 3: Cross multiply
    1,270,304,432.67x = 1,753,067,427.24 × 761,749,943.45
  4. Step 4: Simplify right side
    1,270,304,432.67x = 1,335,399,013,558,236,416
  5. Step 5: Solve for x
    x = 1,335,399,013,558,236,416/1,270,304,432.67
  6. Step 6: Final answer
    x = 1,051,243,291.93

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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.