Home / 2,931,395,386.80-4,397,730,809.40-965,913,992.40

Finding the Fourth Proportional to 2,931,395,386.80, 4,397,730,809.40 and 965,913,992.40

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Solution

The fourth proportional to 2,931,395,386.80, 4,397,730,809.40 and 965,913,992.40 is: 1,449,081,124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,395,386.80 : 4,397,730,809.40 = 965,913,992.40 : x
  2. Step 2: Convert to fraction form
    2,931,395,386.80/4,397,730,809.40 = 965,913,992.40/x
  3. Step 3: Cross multiply
    2,931,395,386.80x = 4,397,730,809.40 × 965,913,992.40
  4. Step 4: Simplify right side
    2,931,395,386.80x = 4,247,829,723,608,036,864
  5. Step 5: Solve for x
    x = 4,247,829,723,608,036,864/2,931,395,386.80
  6. Step 6: Final answer
    x = 1,449,081,124.55

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1.5x scale

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.