Home / 898,151,987.80-1,347,227,981.70-414,422,579.80

Finding the Fourth Proportional to 898,151,987.80, 1,347,227,981.70 and 414,422,579.80

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Solution

The fourth proportional to 898,151,987.80, 1,347,227,981.70 and 414,422,579.80 is: 621,633,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,987.80 : 1,347,227,981.70 = 414,422,579.80 : x
  2. Step 2: Convert to fraction form
    898,151,987.80/1,347,227,981.70 = 414,422,579.80/x
  3. Step 3: Cross multiply
    898,151,987.80x = 1,347,227,981.70 × 414,422,579.80
  4. Step 4: Simplify right side
    898,151,987.80x = 558,321,695,754,861,248
  5. Step 5: Solve for x
    x = 558,321,695,754,861,248/898,151,987.80
  6. Step 6: Final answer
    x = 621,633,869.70

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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.