Home / 1,389,828,785.36-2,084,741,417.10-354,689,690.36

Finding the Fourth Proportional to 1,389,828,785.36, 2,084,741,417.10 and 354,689,690.36

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Solution

The fourth proportional to 1,389,828,785.36, 2,084,741,417.10 and 354,689,690.36 is: 532,034,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,828,785.36 : 2,084,741,417.10 = 354,689,690.36 : x
  2. Step 2: Convert to fraction form
    1,389,828,785.36/2,084,741,417.10 = 354,689,690.36/x
  3. Step 3: Cross multiply
    1,389,828,785.36x = 2,084,741,417.10 × 354,689,690.36
  4. Step 4: Simplify right side
    1,389,828,785.36x = 739,436,287,711,866,624
  5. Step 5: Solve for x
    x = 739,436,287,711,866,624/1,389,828,785.36
  6. Step 6: Final answer
    x = 532,034,086.14

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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.