Home / 832,032,981.70-1,248,049,472.55-423,886,293.70

Finding the Fourth Proportional to 832,032,981.70, 1,248,049,472.55 and 423,886,293.70

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Solution

The fourth proportional to 832,032,981.70, 1,248,049,472.55 and 423,886,293.70 is: 635,829,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,032,981.70 : 1,248,049,472.55 = 423,886,293.70 : x
  2. Step 2: Convert to fraction form
    832,032,981.70/1,248,049,472.55 = 423,886,293.70/x
  3. Step 3: Cross multiply
    832,032,981.70x = 1,248,049,472.55 × 423,886,293.70
  4. Step 4: Simplify right side
    832,032,981.70x = 529,031,065,273,459,328
  5. Step 5: Solve for x
    x = 529,031,065,273,459,328/832,032,981.70
  6. Step 6: Final answer
    x = 635,829,440.55

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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.