Home / 31,178,035,377.60-46,767,053,066.40-21,260,070,859.20

Finding the Fourth Proportional to 31,178,035,377.60, 46,767,053,066.40 and 21,260,070,859.20

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Solution

The fourth proportional to 31,178,035,377.60, 46,767,053,066.40 and 21,260,070,859.20 is: 31,890,106,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,035,377.60 : 46,767,053,066.40 = 21,260,070,859.20 : x
  2. Step 2: Convert to fraction form
    31,178,035,377.60/46,767,053,066.40 = 21,260,070,859.20/x
  3. Step 3: Cross multiply
    31,178,035,377.60x = 46,767,053,066.40 × 21,260,070,859.20
  4. Step 4: Simplify right side
    31,178,035,377.60x = 994,270,862,067,630,735,360
  5. Step 5: Solve for x
    x = 994,270,862,067,630,735,360/31,178,035,377.60
  6. Step 6: Final answer
    x = 31,890,106,288.80

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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.