Home / 674,720,592.40-1,012,080,888.60-402,398,851.60

Finding the Fourth Proportional to 674,720,592.40, 1,012,080,888.60 and 402,398,851.60

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Solution

The fourth proportional to 674,720,592.40, 1,012,080,888.60 and 402,398,851.60 is: 603,598,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,720,592.40 : 1,012,080,888.60 = 402,398,851.60 : x
  2. Step 2: Convert to fraction form
    674,720,592.40/1,012,080,888.60 = 402,398,851.60/x
  3. Step 3: Cross multiply
    674,720,592.40x = 1,012,080,888.60 × 402,398,851.60
  4. Step 4: Simplify right side
    674,720,592.40x = 407,260,187,298,947,584
  5. Step 5: Solve for x
    x = 407,260,187,298,947,584/674,720,592.40
  6. Step 6: Final answer
    x = 603,598,277.40

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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.