Home / 816,981,423.40-1,224,728,117.70-299,287,030.60

Finding the Fourth Proportional to 816,981,423.40, 1,224,728,117.70 and 299,287,030.60

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Solution

The fourth proportional to 816,981,423.40, 1,224,728,117.70 and 299,287,030.60 is: 448,657,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,981,423.40 : 1,224,728,117.70 = 299,287,030.60 : x
  2. Step 2: Convert to fraction form
    816,981,423.40/1,224,728,117.70 = 299,287,030.60/x
  3. Step 3: Cross multiply
    816,981,423.40x = 1,224,728,117.70 × 299,287,030.60
  4. Step 4: Simplify right side
    816,981,423.40x = 366,545,241,638,760,320
  5. Step 5: Solve for x
    x = 366,545,241,638,760,320/816,981,423.40
  6. Step 6: Final answer
    x = 448,657,987.98

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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.