Home / 1,502,138,841.78-2,072,677,508.09-866,827,563.01

Finding the Fourth Proportional to 1,502,138,841.78, 2,072,677,508.09 and 866,827,563.01

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Solution

The fourth proportional to 1,502,138,841.78, 2,072,677,508.09 and 866,827,563.01 is: 1,196,063,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,138,841.78 : 2,072,677,508.09 = 866,827,563.01 : x
  2. Step 2: Convert to fraction form
    1,502,138,841.78/2,072,677,508.09 = 866,827,563.01/x
  3. Step 3: Cross multiply
    1,502,138,841.78x = 2,072,677,508.09 × 866,827,563.01
  4. Step 4: Simplify right side
    1,502,138,841.78x = 1,796,653,993,253,533,696
  5. Step 5: Solve for x
    x = 1,796,653,993,253,533,696/1,502,138,841.78
  6. Step 6: Final answer
    x = 1,196,063,867.92

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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.