Home / 779,335,374.11-1,168,993,306.87-189,130,502.41

Finding the Fourth Proportional to 779,335,374.11, 1,168,993,306.87 and 189,130,502.41

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Solution

The fourth proportional to 779,335,374.11, 1,168,993,306.87 and 189,130,502.41 is: 283,693,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,335,374.11 : 1,168,993,306.87 = 189,130,502.41 : x
  2. Step 2: Convert to fraction form
    779,335,374.11/1,168,993,306.87 = 189,130,502.41/x
  3. Step 3: Cross multiply
    779,335,374.11x = 1,168,993,306.87 × 189,130,502.41
  4. Step 4: Simplify right side
    779,335,374.11x = 221,092,291,438,855,104
  5. Step 5: Solve for x
    x = 221,092,291,438,855,104/779,335,374.11
  6. Step 6: Final answer
    x = 283,693,386.42

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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.