Home / 929,712,081.30-1,283,142,157.11-706,326,171.36

Finding the Fourth Proportional to 929,712,081.30, 1,283,142,157.11 and 706,326,171.36

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Solution

The fourth proportional to 929,712,081.30, 1,283,142,157.11 and 706,326,171.36 is: 974,836,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,712,081.30 : 1,283,142,157.11 = 706,326,171.36 : x
  2. Step 2: Convert to fraction form
    929,712,081.30/1,283,142,157.11 = 706,326,171.36/x
  3. Step 3: Cross multiply
    929,712,081.30x = 1,283,142,157.11 × 706,326,171.36
  4. Step 4: Simplify right side
    929,712,081.30x = 906,316,887,142,117,888
  5. Step 5: Solve for x
    x = 906,316,887,142,117,888/929,712,081.30
  6. Step 6: Final answer
    x = 974,836,086.75

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Double scale
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1.5x scale

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.