Home / 1,399,889,168.07-2,098,366,979.40-652,288,582.50

Finding the Fourth Proportional to 1,399,889,168.07, 2,098,366,979.40 and 652,288,582.50

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Solution

The fourth proportional to 1,399,889,168.07, 2,098,366,979.40 and 652,288,582.50 is: 977,749,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,889,168.07 : 2,098,366,979.40 = 652,288,582.50 : x
  2. Step 2: Convert to fraction form
    1,399,889,168.07/2,098,366,979.40 = 652,288,582.50/x
  3. Step 3: Cross multiply
    1,399,889,168.07x = 2,098,366,979.40 × 652,288,582.50
  4. Step 4: Simplify right side
    1,399,889,168.07x = 1,368,740,822,557,632,768
  5. Step 5: Solve for x
    x = 1,368,740,822,557,632,768/1,399,889,168.07
  6. Step 6: Final answer
    x = 977,749,420.29

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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.