Home / 1,165,382,970.40-1,748,074,455.60-1,038,404,000.80

Finding the Fourth Proportional to 1,165,382,970.40, 1,748,074,455.60 and 1,038,404,000.80

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Solution

The fourth proportional to 1,165,382,970.40, 1,748,074,455.60 and 1,038,404,000.80 is: 1,557,606,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,382,970.40 : 1,748,074,455.60 = 1,038,404,000.80 : x
  2. Step 2: Convert to fraction form
    1,165,382,970.40/1,748,074,455.60 = 1,038,404,000.80/x
  3. Step 3: Cross multiply
    1,165,382,970.40x = 1,748,074,455.60 × 1,038,404,000.80
  4. Step 4: Simplify right side
    1,165,382,970.40x = 1,815,207,508,391,321,856
  5. Step 5: Solve for x
    x = 1,815,207,508,391,321,856/1,165,382,970.40
  6. Step 6: Final answer
    x = 1,557,606,001.20

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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.