Home / 1,879,867,162.23-2,819,894,405.75-715,425,901.40

Finding the Fourth Proportional to 1,879,867,162.23, 2,819,894,405.75 and 715,425,901.40

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Solution

The fourth proportional to 1,879,867,162.23, 2,819,894,405.75 and 715,425,901.40 is: 1,073,174,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,867,162.23 : 2,819,894,405.75 = 715,425,901.40 : x
  2. Step 2: Convert to fraction form
    1,879,867,162.23/2,819,894,405.75 = 715,425,901.40/x
  3. Step 3: Cross multiply
    1,879,867,162.23x = 2,819,894,405.75 × 715,425,901.40
  4. Step 4: Simplify right side
    1,879,867,162.23x = 2,017,425,497,068,834,304
  5. Step 5: Solve for x
    x = 2,017,425,497,068,834,304/1,879,867,162.23
  6. Step 6: Final answer
    x = 1,073,174,497.43

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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.