Home / 989,596,325-1,365,880,772.20-566,455,275.20

Finding the Fourth Proportional to 989,596,325, 1,365,880,772.20 and 566,455,275.20

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Solution

The fourth proportional to 989,596,325, 1,365,880,772.20 and 566,455,275.20 is: 781,844,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,596,325 : 1,365,880,772.20 = 566,455,275.20 : x
  2. Step 2: Convert to fraction form
    989,596,325/1,365,880,772.20 = 566,455,275.20/x
  3. Step 3: Cross multiply
    989,596,325x = 1,365,880,772.20 × 566,455,275.20
  4. Step 4: Simplify right side
    989,596,325x = 773,710,368,706,939,648
  5. Step 5: Solve for x
    x = 773,710,368,706,939,648/989,596,325
  6. Step 6: Final answer
    x = 781,844,423.99

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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.