Home / 1,481,315,422.79-2,220,417,728.16-498,400,720.18

Finding the Fourth Proportional to 1,481,315,422.79, 2,220,417,728.16 and 498,400,720.18

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Solution

The fourth proportional to 1,481,315,422.79, 2,220,417,728.16 and 498,400,720.18 is: 747,077,751.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,315,422.79 : 2,220,417,728.16 = 498,400,720.18 : x
  2. Step 2: Convert to fraction form
    1,481,315,422.79/2,220,417,728.16 = 498,400,720.18/x
  3. Step 3: Cross multiply
    1,481,315,422.79x = 2,220,417,728.16 × 498,400,720.18
  4. Step 4: Simplify right side
    1,481,315,422.79x = 1,106,657,794,812,891,520
  5. Step 5: Solve for x
    x = 1,106,657,794,812,891,520/1,481,315,422.79
  6. Step 6: Final answer
    x = 747,077,751.16

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Double scale
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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.