Home / 928,508,207.54-1,281,341,318.37-510,811,528.82

Finding the Fourth Proportional to 928,508,207.54, 1,281,341,318.37 and 510,811,528.82

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Solution

The fourth proportional to 928,508,207.54, 1,281,341,318.37 and 510,811,528.82 is: 704,919,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,508,207.54 : 1,281,341,318.37 = 510,811,528.82 : x
  2. Step 2: Convert to fraction form
    928,508,207.54/1,281,341,318.37 = 510,811,528.82/x
  3. Step 3: Cross multiply
    928,508,207.54x = 1,281,341,318.37 × 510,811,528.82
  4. Step 4: Simplify right side
    928,508,207.54x = 654,523,917,776,813,952
  5. Step 5: Solve for x
    x = 654,523,917,776,813,952/928,508,207.54
  6. Step 6: Final answer
    x = 704,919,905.35

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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.