Home / 832,032,981.20-1,248,049,471.80-423,886,293.20

Finding the Fourth Proportional to 832,032,981.20, 1,248,049,471.80 and 423,886,293.20

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Solution

The fourth proportional to 832,032,981.20, 1,248,049,471.80 and 423,886,293.20 is: 635,829,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,032,981.20 : 1,248,049,471.80 = 423,886,293.20 : x
  2. Step 2: Convert to fraction form
    832,032,981.20/1,248,049,471.80 = 423,886,293.20/x
  3. Step 3: Cross multiply
    832,032,981.20x = 1,248,049,471.80 × 423,886,293.20
  4. Step 4: Simplify right side
    832,032,981.20x = 529,031,064,331,519,872
  5. Step 5: Solve for x
    x = 529,031,064,331,519,872/832,032,981.20
  6. Step 6: Final answer
    x = 635,829,439.80

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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.