Home / 42,271,813,739.97-63,407,738,570.63-12,426,146,967.02

Finding the Fourth Proportional to 42,271,813,739.97, 63,407,738,570.63 and 12,426,146,967.02

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Solution

The fourth proportional to 42,271,813,739.97, 63,407,738,570.63 and 12,426,146,967.02 is: 18,639,225,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,271,813,739.97 : 63,407,738,570.63 = 12,426,146,967.02 : x
  2. Step 2: Convert to fraction form
    42,271,813,739.97/63,407,738,570.63 = 12,426,146,967.02/x
  3. Step 3: Cross multiply
    42,271,813,739.97x = 63,407,738,570.63 × 12,426,146,967.02
  4. Step 4: Simplify right side
    42,271,813,739.97x = 787,913,878,324,651,884,544
  5. Step 5: Solve for x
    x = 787,913,878,324,651,884,544/42,271,813,739.97
  6. Step 6: Final answer
    x = 18,639,225,730.21

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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.