Home / 1,972,573,948.88-2,722,151,189.31-1,068,329,925.01

Finding the Fourth Proportional to 1,972,573,948.88, 2,722,151,189.31 and 1,068,329,925.01

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Solution

The fourth proportional to 1,972,573,948.88, 2,722,151,189.31 and 1,068,329,925.01 is: 1,474,294,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,573,948.88 : 2,722,151,189.31 = 1,068,329,925.01 : x
  2. Step 2: Convert to fraction form
    1,972,573,948.88/2,722,151,189.31 = 1,068,329,925.01/x
  3. Step 3: Cross multiply
    1,972,573,948.88x = 2,722,151,189.31 × 1,068,329,925.01
  4. Step 4: Simplify right side
    1,972,573,948.88x = 2,908,155,575,933,398,528
  5. Step 5: Solve for x
    x = 2,908,155,575,933,398,528/1,972,573,948.88
  6. Step 6: Final answer
    x = 1,474,294,830.67

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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.