Home / 811,800,666.08-1,217,697,566.16-294,109,729.76

Finding the Fourth Proportional to 811,800,666.08, 1,217,697,566.16 and 294,109,729.76

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Solution

The fourth proportional to 811,800,666.08, 1,217,697,566.16 and 294,109,729.76 is: 441,163,350.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,800,666.08 : 1,217,697,566.16 = 294,109,729.76 : x
  2. Step 2: Convert to fraction form
    811,800,666.08/1,217,697,566.16 = 294,109,729.76/x
  3. Step 3: Cross multiply
    811,800,666.08x = 1,217,697,566.16 × 294,109,729.76
  4. Step 4: Simplify right side
    811,800,666.08x = 358,136,702,112,727,360
  5. Step 5: Solve for x
    x = 358,136,702,112,727,360/811,800,666.08
  6. Step 6: Final answer
    x = 441,163,350.90

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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.