Home / 2,878,140,895.56-3,971,761,262.40-1,607,991,419.82

Finding the Fourth Proportional to 2,878,140,895.56, 3,971,761,262.40 and 1,607,991,419.82

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Solution

The fourth proportional to 2,878,140,895.56, 3,971,761,262.40 and 1,607,991,419.82 is: 2,218,987,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,140,895.56 : 3,971,761,262.40 = 1,607,991,419.82 : x
  2. Step 2: Convert to fraction form
    2,878,140,895.56/3,971,761,262.40 = 1,607,991,419.82/x
  3. Step 3: Cross multiply
    2,878,140,895.56x = 3,971,761,262.40 × 1,607,991,419.82
  4. Step 4: Simplify right side
    2,878,140,895.56x = 6,386,558,031,512,651,776
  5. Step 5: Solve for x
    x = 6,386,558,031,512,651,776/2,878,140,895.56
  6. Step 6: Final answer
    x = 2,218,987,277.99

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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.