Home / 1,031,284,927.52-1,423,173,353.51-561,389,815.70

Finding the Fourth Proportional to 1,031,284,927.52, 1,423,173,353.51 and 561,389,815.70

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Solution

The fourth proportional to 1,031,284,927.52, 1,423,173,353.51 and 561,389,815.70 is: 774,718,029.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,284,927.52 : 1,423,173,353.51 = 561,389,815.70 : x
  2. Step 2: Convert to fraction form
    1,031,284,927.52/1,423,173,353.51 = 561,389,815.70/x
  3. Step 3: Cross multiply
    1,031,284,927.52x = 1,423,173,353.51 × 561,389,815.70
  4. Step 4: Simplify right side
    1,031,284,927.52x = 798,955,026,636,129,920
  5. Step 5: Solve for x
    x = 798,955,026,636,129,920/1,031,284,927.52
  6. Step 6: Final answer
    x = 774,718,029.24

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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.