Home / 2,087,255,478.30-2,880,241,340.31-1,228,793,797.14

Finding the Fourth Proportional to 2,087,255,478.30, 2,880,241,340.31 and 1,228,793,797.14

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Solution

The fourth proportional to 2,087,255,478.30, 2,880,241,340.31 and 1,228,793,797.14 is: 1,695,634,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,255,478.30 : 2,880,241,340.31 = 1,228,793,797.14 : x
  2. Step 2: Convert to fraction form
    2,087,255,478.30/2,880,241,340.31 = 1,228,793,797.14/x
  3. Step 3: Cross multiply
    2,087,255,478.30x = 2,880,241,340.31 × 1,228,793,797.14
  4. Step 4: Simplify right side
    2,087,255,478.30x = 3,539,222,693,239,128,064
  5. Step 5: Solve for x
    x = 3,539,222,693,239,128,064/2,087,255,478.30
  6. Step 6: Final answer
    x = 1,695,634,640.82

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Double scale
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1.5x scale

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.