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Finding the Fourth Proportional to 630,667,840.92, 864,000,499.04 and 607,088,437.96

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Solution

The fourth proportional to 630,667,840.92, 864,000,499.04 and 607,088,437.96 is: 831,697,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,667,840.92 : 864,000,499.04 = 607,088,437.96 : x
  2. Step 2: Convert to fraction form
    630,667,840.92/864,000,499.04 = 607,088,437.96/x
  3. Step 3: Cross multiply
    630,667,840.92x = 864,000,499.04 × 607,088,437.96
  4. Step 4: Simplify right side
    630,667,840.92x = 524,524,713,358,854,080
  5. Step 5: Solve for x
    x = 524,524,713,358,854,080/630,667,840.92
  6. Step 6: Final answer
    x = 831,697,256.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.