Home / 669,386,945.20-1,004,080,417.80-462,762,684.40

Finding the Fourth Proportional to 669,386,945.20, 1,004,080,417.80 and 462,762,684.40

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Solution

The fourth proportional to 669,386,945.20, 1,004,080,417.80 and 462,762,684.40 is: 694,144,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,386,945.20 : 1,004,080,417.80 = 462,762,684.40 : x
  2. Step 2: Convert to fraction form
    669,386,945.20/1,004,080,417.80 = 462,762,684.40/x
  3. Step 3: Cross multiply
    669,386,945.20x = 1,004,080,417.80 × 462,762,684.40
  4. Step 4: Simplify right side
    669,386,945.20x = 464,650,949,494,601,472
  5. Step 5: Solve for x
    x = 464,650,949,494,601,472/669,386,945.20
  6. Step 6: Final answer
    x = 694,144,026.60

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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.