Home / 1,090,465,308.80-1,635,697,963.20-655,108,841.60

Finding the Fourth Proportional to 1,090,465,308.80, 1,635,697,963.20 and 655,108,841.60

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Solution

The fourth proportional to 1,090,465,308.80, 1,635,697,963.20 and 655,108,841.60 is: 982,663,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,465,308.80 : 1,635,697,963.20 = 655,108,841.60 : x
  2. Step 2: Convert to fraction form
    1,090,465,308.80/1,635,697,963.20 = 655,108,841.60/x
  3. Step 3: Cross multiply
    1,090,465,308.80x = 1,635,697,963.20 × 655,108,841.60
  4. Step 4: Simplify right side
    1,090,465,308.80x = 1,071,560,197,879,431,552
  5. Step 5: Solve for x
    x = 1,071,560,197,879,431,552/1,090,465,308.80
  6. Step 6: Final answer
    x = 982,663,262.40

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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.