Home / 1,031,238,911.76-1,423,144,072.92-579,196,539.60

Finding the Fourth Proportional to 1,031,238,911.76, 1,423,144,072.92 and 579,196,539.60

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Solution

The fourth proportional to 1,031,238,911.76, 1,423,144,072.92 and 579,196,539.60 is: 799,310,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,238,911.76 : 1,423,144,072.92 = 579,196,539.60 : x
  2. Step 2: Convert to fraction form
    1,031,238,911.76/1,423,144,072.92 = 579,196,539.60/x
  3. Step 3: Cross multiply
    1,031,238,911.76x = 1,423,144,072.92 × 579,196,539.60
  4. Step 4: Simplify right side
    1,031,238,911.76x = 824,280,122,387,514,112
  5. Step 5: Solve for x
    x = 824,280,122,387,514,112/1,031,238,911.76
  6. Step 6: Final answer
    x = 799,310,531.23

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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.