Home / 649,981,299.77-896,975,932.25-352,623,541.94

Finding the Fourth Proportional to 649,981,299.77, 896,975,932.25 and 352,623,541.94

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Solution

The fourth proportional to 649,981,299.77, 896,975,932.25 and 352,623,541.94 is: 486,621,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981,299.77 : 896,975,932.25 = 352,623,541.94 : x
  2. Step 2: Convert to fraction form
    649,981,299.77/896,975,932.25 = 352,623,541.94/x
  3. Step 3: Cross multiply
    649,981,299.77x = 896,975,932.25 × 352,623,541.94
  4. Step 4: Simplify right side
    649,981,299.77x = 316,294,830,263,165,376
  5. Step 5: Solve for x
    x = 316,294,830,263,165,376/649,981,299.77
  6. Step 6: Final answer
    x = 486,621,431.07

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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.