Home / 2,977,221,123.74-4,105,519,816.70-1,973,290,102.40

Finding the Fourth Proportional to 2,977,221,123.74, 4,105,519,816.70 and 1,973,290,102.40

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Solution

The fourth proportional to 2,977,221,123.74, 4,105,519,816.70 and 1,973,290,102.40 is: 2,721,121,906.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,221,123.74 : 4,105,519,816.70 = 1,973,290,102.40 : x
  2. Step 2: Convert to fraction form
    2,977,221,123.74/4,105,519,816.70 = 1,973,290,102.40/x
  3. Step 3: Cross multiply
    2,977,221,123.74x = 4,105,519,816.70 × 1,973,290,102.40
  4. Step 4: Simplify right side
    2,977,221,123.74x = 8,101,381,619,516,368,896
  5. Step 5: Solve for x
    x = 8,101,381,619,516,368,896/2,977,221,123.74
  6. Step 6: Final answer
    x = 2,721,121,906.23

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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.