Home / 669,898,393.20-1,004,847,589.80-616,329,140.40

Finding the Fourth Proportional to 669,898,393.20, 1,004,847,589.80 and 616,329,140.40

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Solution

The fourth proportional to 669,898,393.20, 1,004,847,589.80 and 616,329,140.40 is: 924,493,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,898,393.20 : 1,004,847,589.80 = 616,329,140.40 : x
  2. Step 2: Convert to fraction form
    669,898,393.20/1,004,847,589.80 = 616,329,140.40/x
  3. Step 3: Cross multiply
    669,898,393.20x = 1,004,847,589.80 × 616,329,140.40
  4. Step 4: Simplify right side
    669,898,393.20x = 619,316,851,254,445,696
  5. Step 5: Solve for x
    x = 619,316,851,254,445,696/669,898,393.20
  6. Step 6: Final answer
    x = 924,493,710.60

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Similar ratio
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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.