Home / 945,130,500.60-1,417,695,750.90-817,728,516.60

Finding the Fourth Proportional to 945,130,500.60, 1,417,695,750.90 and 817,728,516.60

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Solution

The fourth proportional to 945,130,500.60, 1,417,695,750.90 and 817,728,516.60 is: 1,226,592,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,130,500.60 : 1,417,695,750.90 = 817,728,516.60 : x
  2. Step 2: Convert to fraction form
    945,130,500.60/1,417,695,750.90 = 817,728,516.60/x
  3. Step 3: Cross multiply
    945,130,500.60x = 1,417,695,750.90 × 817,728,516.60
  4. Step 4: Simplify right side
    945,130,500.60x = 1,159,290,243,373,580,288
  5. Step 5: Solve for x
    x = 1,159,290,243,373,580,288/945,130,500.60
  6. Step 6: Final answer
    x = 1,226,592,774.90

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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.