Home / 649,981,309.02-896,975,945.02-352,623,551.20

Finding the Fourth Proportional to 649,981,309.02, 896,975,945.02 and 352,623,551.20

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Solution

The fourth proportional to 649,981,309.02, 896,975,945.02 and 352,623,551.20 is: 486,621,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981,309.02 : 896,975,945.02 = 352,623,551.20 : x
  2. Step 2: Convert to fraction form
    649,981,309.02/896,975,945.02 = 352,623,551.20/x
  3. Step 3: Cross multiply
    649,981,309.02x = 896,975,945.02 × 352,623,551.20
  4. Step 4: Simplify right side
    649,981,309.02x = 316,294,843,073,928,320
  5. Step 5: Solve for x
    x = 316,294,843,073,928,320/649,981,309.02
  6. Step 6: Final answer
    x = 486,621,443.85

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Double scale
Find fourth proportional to 649,981,310.02, 896,975,946.40 and 352,623,552.20
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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.