Home / 2,876,970,524.40-3,970,219,172.04-1,556,871,080.40

Finding the Fourth Proportional to 2,876,970,524.40, 3,970,219,172.04 and 1,556,871,080.40

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Solution

The fourth proportional to 2,876,970,524.40, 3,970,219,172.04 and 1,556,871,080.40 is: 2,148,482,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,970,524.40 : 3,970,219,172.04 = 1,556,871,080.40 : x
  2. Step 2: Convert to fraction form
    2,876,970,524.40/3,970,219,172.04 = 1,556,871,080.40/x
  3. Step 3: Cross multiply
    2,876,970,524.40x = 3,970,219,172.04 × 1,556,871,080.40
  4. Step 4: Simplify right side
    2,876,970,524.40x = 6,181,119,411,798,708,224
  5. Step 5: Solve for x
    x = 6,181,119,411,798,708,224/2,876,970,524.40
  6. Step 6: Final answer
    x = 2,148,482,008.90

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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.