Home / 1,190,800,869.57-1,643,306,562.38-662,153,505.39

Finding the Fourth Proportional to 1,190,800,869.57, 1,643,306,562.38 and 662,153,505.39

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Solution

The fourth proportional to 1,190,800,869.57, 1,643,306,562.38 and 662,153,505.39 is: 913,772,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,800,869.57 : 1,643,306,562.38 = 662,153,505.39 : x
  2. Step 2: Convert to fraction form
    1,190,800,869.57/1,643,306,562.38 = 662,153,505.39/x
  3. Step 3: Cross multiply
    1,190,800,869.57x = 1,643,306,562.38 × 662,153,505.39
  4. Step 4: Simplify right side
    1,190,800,869.57x = 1,088,121,200,711,963,008
  5. Step 5: Solve for x
    x = 1,088,121,200,711,963,008/1,190,800,869.57
  6. Step 6: Final answer
    x = 913,772,595.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.