Home / 832,032,983.20-1,248,049,474.80-423,886,295.20

Finding the Fourth Proportional to 832,032,983.20, 1,248,049,474.80 and 423,886,295.20

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Solution

The fourth proportional to 832,032,983.20, 1,248,049,474.80 and 423,886,295.20 is: 635,829,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,032,983.20 : 1,248,049,474.80 = 423,886,295.20 : x
  2. Step 2: Convert to fraction form
    832,032,983.20/1,248,049,474.80 = 423,886,295.20/x
  3. Step 3: Cross multiply
    832,032,983.20x = 1,248,049,474.80 × 423,886,295.20
  4. Step 4: Simplify right side
    832,032,983.20x = 529,031,068,099,277,696
  5. Step 5: Solve for x
    x = 529,031,068,099,277,696/832,032,983.20
  6. Step 6: Final answer
    x = 635,829,442.80

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Double scale
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Similar ratio
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1.5x scale

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.