Home / 553,539,229.13-763,885,511.46-302,659,811.57

Finding the Fourth Proportional to 553,539,229.13, 763,885,511.46 and 302,659,811.57

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Solution

The fourth proportional to 553,539,229.13, 763,885,511.46 and 302,659,811.57 is: 417,671,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,539,229.13 : 763,885,511.46 = 302,659,811.57 : x
  2. Step 2: Convert to fraction form
    553,539,229.13/763,885,511.46 = 302,659,811.57/x
  3. Step 3: Cross multiply
    553,539,229.13x = 763,885,511.46 × 302,659,811.57
  4. Step 4: Simplify right side
    553,539,229.13x = 231,197,444,955,717,248
  5. Step 5: Solve for x
    x = 231,197,444,955,717,248/553,539,229.13
  6. Step 6: Final answer
    x = 417,671,291.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.