Home / 644,532,616.80-966,798,925.20-207,847,547.10

Finding the Fourth Proportional to 644,532,616.80, 966,798,925.20 and 207,847,547.10

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Solution

The fourth proportional to 644,532,616.80, 966,798,925.20 and 207,847,547.10 is: 311,771,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,532,616.80 : 966,798,925.20 = 207,847,547.10 : x
  2. Step 2: Convert to fraction form
    644,532,616.80/966,798,925.20 = 207,847,547.10/x
  3. Step 3: Cross multiply
    644,532,616.80x = 966,798,925.20 × 207,847,547.10
  4. Step 4: Simplify right side
    644,532,616.80x = 200,946,785,141,736,384
  5. Step 5: Solve for x
    x = 200,946,785,141,736,384/644,532,616.80
  6. Step 6: Final answer
    x = 311,771,320.65

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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.