Home / 1,381,050,212.71-1,905,850,058.19-745,970,701.61

Finding the Fourth Proportional to 1,381,050,212.71, 1,905,850,058.19 and 745,970,701.61

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Solution

The fourth proportional to 1,381,050,212.71, 1,905,850,058.19 and 745,970,701.61 is: 1,029,439,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,050,212.71 : 1,905,850,058.19 = 745,970,701.61 : x
  2. Step 2: Convert to fraction form
    1,381,050,212.71/1,905,850,058.19 = 745,970,701.61/x
  3. Step 3: Cross multiply
    1,381,050,212.71x = 1,905,850,058.19 × 745,970,701.61
  4. Step 4: Simplify right side
    1,381,050,212.71x = 1,421,708,305,070,191,360
  5. Step 5: Solve for x
    x = 1,421,708,305,070,191,360/1,381,050,212.71
  6. Step 6: Final answer
    x = 1,029,439,981.24

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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.