Home / 645,140,937.40-967,711,406.10-236,061,129.40

Finding the Fourth Proportional to 645,140,937.40, 967,711,406.10 and 236,061,129.40

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Solution

The fourth proportional to 645,140,937.40, 967,711,406.10 and 236,061,129.40 is: 354,091,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,140,937.40 : 967,711,406.10 = 236,061,129.40 : x
  2. Step 2: Convert to fraction form
    645,140,937.40/967,711,406.10 = 236,061,129.40/x
  3. Step 3: Cross multiply
    645,140,937.40x = 967,711,406.10 × 236,061,129.40
  4. Step 4: Simplify right side
    645,140,937.40x = 228,439,047,457,228,064
  5. Step 5: Solve for x
    x = 228,439,047,457,228,064/645,140,937.40
  6. Step 6: Final answer
    x = 354,091,694.10

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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.