Home / 1,293,003,314.10-1,939,504,971.15-1,221,577,643.70

Finding the Fourth Proportional to 1,293,003,314.10, 1,939,504,971.15 and 1,221,577,643.70

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Solution

The fourth proportional to 1,293,003,314.10, 1,939,504,971.15 and 1,221,577,643.70 is: 1,832,366,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,003,314.10 : 1,939,504,971.15 = 1,221,577,643.70 : x
  2. Step 2: Convert to fraction form
    1,293,003,314.10/1,939,504,971.15 = 1,221,577,643.70/x
  3. Step 3: Cross multiply
    1,293,003,314.10x = 1,939,504,971.15 × 1,221,577,643.70
  4. Step 4: Simplify right side
    1,293,003,314.10x = 2,369,255,912,601,853,440
  5. Step 5: Solve for x
    x = 2,369,255,912,601,853,440/1,293,003,314.10
  6. Step 6: Final answer
    x = 1,832,366,465.55

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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.