Home / 645,140,807.40-967,711,211.10-236,060,999.40

Finding the Fourth Proportional to 645,140,807.40, 967,711,211.10 and 236,060,999.40

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Solution

The fourth proportional to 645,140,807.40, 967,711,211.10 and 236,060,999.40 is: 354,091,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,140,807.40 : 967,711,211.10 = 236,060,999.40 : x
  2. Step 2: Convert to fraction form
    645,140,807.40/967,711,211.10 = 236,060,999.40/x
  3. Step 3: Cross multiply
    645,140,807.40x = 967,711,211.10 × 236,060,999.40
  4. Step 4: Simplify right side
    645,140,807.40x = 228,438,875,622,850,400
  5. Step 5: Solve for x
    x = 228,438,875,622,850,400/645,140,807.40
  6. Step 6: Final answer
    x = 354,091,499.10

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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.