Home / 1,425,754,618.80-2,138,333,329.80-699,264,711.60

Finding the Fourth Proportional to 1,425,754,618.80, 2,138,333,329.80 and 699,264,711.60

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Solution

The fourth proportional to 1,425,754,618.80, 2,138,333,329.80 and 699,264,711.60 is: 1,048,750,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,754,618.80 : 2,138,333,329.80 = 699,264,711.60 : x
  2. Step 2: Convert to fraction form
    1,425,754,618.80/2,138,333,329.80 = 699,264,711.60/x
  3. Step 3: Cross multiply
    1,425,754,618.80x = 2,138,333,329.80 × 699,264,711.60
  4. Step 4: Simplify right side
    1,425,754,618.80x = 1,495,261,039,167,264,768
  5. Step 5: Solve for x
    x = 1,495,261,039,167,264,768/1,425,754,618.80
  6. Step 6: Final answer
    x = 1,048,750,619.11

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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.