Home / 662,565,809.40-993,839,382.90-299,059,582.20

Finding the Fourth Proportional to 662,565,809.40, 993,839,382.90 and 299,059,582.20

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Solution

The fourth proportional to 662,565,809.40, 993,839,382.90 and 299,059,582.20 is: 448,585,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,565,809.40 : 993,839,382.90 = 299,059,582.20 : x
  2. Step 2: Convert to fraction form
    662,565,809.40/993,839,382.90 = 299,059,582.20/x
  3. Step 3: Cross multiply
    662,565,809.40x = 993,839,382.90 × 299,059,582.20
  4. Step 4: Simplify right side
    662,565,809.40x = 297,217,190,623,979,776
  5. Step 5: Solve for x
    x = 297,217,190,623,979,776/662,565,809.40
  6. Step 6: Final answer
    x = 448,585,161.51

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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.