Home / 862,432,332.80-1,293,648,499.20-474,105,113.60

Finding the Fourth Proportional to 862,432,332.80, 1,293,648,499.20 and 474,105,113.60

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Solution

The fourth proportional to 862,432,332.80, 1,293,648,499.20 and 474,105,113.60 is: 711,157,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,432,332.80 : 1,293,648,499.20 = 474,105,113.60 : x
  2. Step 2: Convert to fraction form
    862,432,332.80/1,293,648,499.20 = 474,105,113.60/x
  3. Step 3: Cross multiply
    862,432,332.80x = 1,293,648,499.20 × 474,105,113.60
  4. Step 4: Simplify right side
    862,432,332.80x = 613,325,368,671,685,504
  5. Step 5: Solve for x
    x = 613,325,368,671,685,504/862,432,332.80
  6. Step 6: Final answer
    x = 711,157,670.40

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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.