Home / 3,120,828,772.80-4,681,243,159.20-2,835,126,091.20

Finding the Fourth Proportional to 3,120,828,772.80, 4,681,243,159.20 and 2,835,126,091.20

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Solution

The fourth proportional to 3,120,828,772.80, 4,681,243,159.20 and 2,835,126,091.20 is: 4,252,689,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,828,772.80 : 4,681,243,159.20 = 2,835,126,091.20 : x
  2. Step 2: Convert to fraction form
    3,120,828,772.80/4,681,243,159.20 = 2,835,126,091.20/x
  3. Step 3: Cross multiply
    3,120,828,772.80x = 4,681,243,159.20 × 2,835,126,091.20
  4. Step 4: Simplify right side
    3,120,828,772.80x = 13,271,914,619,899,432,960
  5. Step 5: Solve for x
    x = 13,271,914,619,899,432,960/3,120,828,772.80
  6. Step 6: Final answer
    x = 4,252,689,136.80

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Double scale
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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.