Home / 1,515,893,870.79-2,088,953,631.56-1,159,065,949.03

Finding the Fourth Proportional to 1,515,893,870.79, 2,088,953,631.56 and 1,159,065,949.03

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Solution

The fourth proportional to 1,515,893,870.79, 2,088,953,631.56 and 1,159,065,949.03 is: 1,597,232,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,893,870.79 : 2,088,953,631.56 = 1,159,065,949.03 : x
  2. Step 2: Convert to fraction form
    1,515,893,870.79/2,088,953,631.56 = 1,159,065,949.03/x
  3. Step 3: Cross multiply
    1,515,893,870.79x = 2,088,953,631.56 × 1,159,065,949.03
  4. Step 4: Simplify right side
    1,515,893,870.79x = 2,421,235,023,441,431,552
  5. Step 5: Solve for x
    x = 2,421,235,023,441,431,552/1,515,893,870.79
  6. Step 6: Final answer
    x = 1,597,232,543.85

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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.