Home / 649,981,246.70-896,975,859.02-352,623,488.87

Finding the Fourth Proportional to 649,981,246.70, 896,975,859.02 and 352,623,488.87

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Solution

The fourth proportional to 649,981,246.70, 896,975,859.02 and 352,623,488.87 is: 486,621,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,981,246.70 : 896,975,859.02 = 352,623,488.87 : x
  2. Step 2: Convert to fraction form
    649,981,246.70/896,975,859.02 = 352,623,488.87/x
  3. Step 3: Cross multiply
    649,981,246.70x = 896,975,859.02 × 352,623,488.87
  4. Step 4: Simplify right side
    649,981,246.70x = 316,294,756,839,797,632
  5. Step 5: Solve for x
    x = 316,294,756,839,797,632/649,981,246.70
  6. Step 6: Final answer
    x = 486,621,357.84

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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.