Home / 1,350,449,081.10-1,863,814,667.21-778,122,519.35

Finding the Fourth Proportional to 1,350,449,081.10, 1,863,814,667.21 and 778,122,519.35

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Solution

The fourth proportional to 1,350,449,081.10, 1,863,814,667.21 and 778,122,519.35 is: 1,073,921,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,449,081.10 : 1,863,814,667.21 = 778,122,519.35 : x
  2. Step 2: Convert to fraction form
    1,350,449,081.10/1,863,814,667.21 = 778,122,519.35/x
  3. Step 3: Cross multiply
    1,350,449,081.10x = 1,863,814,667.21 × 778,122,519.35
  4. Step 4: Simplify right side
    1,350,449,081.10x = 1,450,276,164,437,717,248
  5. Step 5: Solve for x
    x = 1,450,276,164,437,717,248/1,350,449,081.10
  6. Step 6: Final answer
    x = 1,073,921,397.51

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Double scale
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1.5x scale

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.