Home / 3,830,881,492.80-5,286,614,121.60-2,070,748,900.80

Finding the Fourth Proportional to 3,830,881,492.80, 5,286,614,121.60 and 2,070,748,900.80

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Solution

The fourth proportional to 3,830,881,492.80, 5,286,614,121.60 and 2,070,748,900.80 is: 2,857,632,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,881,492.80 : 5,286,614,121.60 = 2,070,748,900.80 : x
  2. Step 2: Convert to fraction form
    3,830,881,492.80/5,286,614,121.60 = 2,070,748,900.80/x
  3. Step 3: Cross multiply
    3,830,881,492.80x = 5,286,614,121.60 × 2,070,748,900.80
  4. Step 4: Simplify right side
    3,830,881,492.80x = 10,947,250,381,256,957,952
  5. Step 5: Solve for x
    x = 10,947,250,381,256,957,952/3,830,881,492.80
  6. Step 6: Final answer
    x = 2,857,632,219.07

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Double scale
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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.