Home / 1,350,449,012.64-1,863,814,572.52-778,122,451.08

Finding the Fourth Proportional to 1,350,449,012.64, 1,863,814,572.52 and 778,122,451.08

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Solution

The fourth proportional to 1,350,449,012.64, 1,863,814,572.52 and 778,122,451.08 is: 1,073,921,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,449,012.64 : 1,863,814,572.52 = 778,122,451.08 : x
  2. Step 2: Convert to fraction form
    1,350,449,012.64/1,863,814,572.52 = 778,122,451.08/x
  3. Step 3: Cross multiply
    1,350,449,012.64x = 1,863,814,572.52 × 778,122,451.08
  4. Step 4: Simplify right side
    1,350,449,012.64x = 1,450,275,963,527,884,800
  5. Step 5: Solve for x
    x = 1,450,275,963,527,884,800/1,350,449,012.64
  6. Step 6: Final answer
    x = 1,073,921,303.18

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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.