Home / 1,545,006,857.76-2,132,165,531.28-885,084,681.60

Finding the Fourth Proportional to 1,545,006,857.76, 2,132,165,531.28 and 885,084,681.60

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Solution

The fourth proportional to 1,545,006,857.76, 2,132,165,531.28 and 885,084,681.60 is: 1,221,448,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,006,857.76 : 2,132,165,531.28 = 885,084,681.60 : x
  2. Step 2: Convert to fraction form
    1,545,006,857.76/2,132,165,531.28 = 885,084,681.60/x
  3. Step 3: Cross multiply
    1,545,006,857.76x = 2,132,165,531.28 × 885,084,681.60
  4. Step 4: Simplify right side
    1,545,006,857.76x = 1,887,147,050,371,453,696
  5. Step 5: Solve for x
    x = 1,887,147,050,371,453,696/1,545,006,857.76
  6. Step 6: Final answer
    x = 1,221,448,979.91

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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.