Home / 914,167,261.20-1,371,250,891.80-638,668,246.80

Finding the Fourth Proportional to 914,167,261.20, 1,371,250,891.80 and 638,668,246.80

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Solution

The fourth proportional to 914,167,261.20, 1,371,250,891.80 and 638,668,246.80 is: 958,002,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,167,261.20 : 1,371,250,891.80 = 638,668,246.80 : x
  2. Step 2: Convert to fraction form
    914,167,261.20/1,371,250,891.80 = 638,668,246.80/x
  3. Step 3: Cross multiply
    914,167,261.20x = 1,371,250,891.80 × 638,668,246.80
  4. Step 4: Simplify right side
    914,167,261.20x = 875,774,402,988,842,368
  5. Step 5: Solve for x
    x = 875,774,402,988,842,368/914,167,261.20
  6. Step 6: Final answer
    x = 958,002,370.20

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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.