Home / 896,806,890.80-1,345,210,336.20-527,963,217.20

Finding the Fourth Proportional to 896,806,890.80, 1,345,210,336.20 and 527,963,217.20

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Solution

The fourth proportional to 896,806,890.80, 1,345,210,336.20 and 527,963,217.20 is: 791,944,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,806,890.80 : 1,345,210,336.20 = 527,963,217.20 : x
  2. Step 2: Convert to fraction form
    896,806,890.80/1,345,210,336.20 = 527,963,217.20/x
  3. Step 3: Cross multiply
    896,806,890.80x = 1,345,210,336.20 × 527,963,217.20
  4. Step 4: Simplify right side
    896,806,890.80x = 710,221,576,910,845,568
  5. Step 5: Solve for x
    x = 710,221,576,910,845,568/896,806,890.80
  6. Step 6: Final answer
    x = 791,944,825.80

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1.5x scale

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.