Home / 1,252,945,591.13-1,878,250,004.71-423,319,042.96

Finding the Fourth Proportional to 1,252,945,591.13, 1,878,250,004.71 and 423,319,042.96

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Solution

The fourth proportional to 1,252,945,591.13, 1,878,250,004.71 and 423,319,042.96 is: 634,583,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945,591.13 : 1,878,250,004.71 = 423,319,042.96 : x
  2. Step 2: Convert to fraction form
    1,252,945,591.13/1,878,250,004.71 = 423,319,042.96/x
  3. Step 3: Cross multiply
    1,252,945,591.13x = 1,878,250,004.71 × 423,319,042.96
  4. Step 4: Simplify right side
    1,252,945,591.13x = 795,098,994,427,698,688
  5. Step 5: Solve for x
    x = 795,098,994,427,698,688/1,252,945,591.13
  6. Step 6: Final answer
    x = 634,583,815.97

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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.