Home / 359,266,406-495,338,217.36-299,813,510.80

Finding the Fourth Proportional to 359,266,406, 495,338,217.36 and 299,813,510.80

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Solution

The fourth proportional to 359,266,406, 495,338,217.36 and 299,813,510.80 is: 413,367,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,266,406 : 495,338,217.36 = 299,813,510.80 : x
  2. Step 2: Convert to fraction form
    359,266,406/495,338,217.36 = 299,813,510.80/x
  3. Step 3: Cross multiply
    359,266,406x = 495,338,217.36 × 299,813,510.80
  4. Step 4: Simplify right side
    359,266,406x = 148,509,089,980,115,104
  5. Step 5: Solve for x
    x = 148,509,089,980,115,104/359,266,406
  6. Step 6: Final answer
    x = 413,367,594.35

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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.