Home / 669,386,908.70-1,004,080,363.05-462,762,647.90

Finding the Fourth Proportional to 669,386,908.70, 1,004,080,363.05 and 462,762,647.90

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Solution

The fourth proportional to 669,386,908.70, 1,004,080,363.05 and 462,762,647.90 is: 694,143,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,386,908.70 : 1,004,080,363.05 = 462,762,647.90 : x
  2. Step 2: Convert to fraction form
    669,386,908.70/1,004,080,363.05 = 462,762,647.90/x
  3. Step 3: Cross multiply
    669,386,908.70x = 1,004,080,363.05 × 462,762,647.90
  4. Step 4: Simplify right side
    669,386,908.70x = 464,650,887,509,411,264
  5. Step 5: Solve for x
    x = 464,650,887,509,411,264/669,386,908.70
  6. Step 6: Final answer
    x = 694,143,971.85

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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.