Home / 1,376,999,417.15-1,900,326,617.08-774,359,704.05

Finding the Fourth Proportional to 1,376,999,417.15, 1,900,326,617.08 and 774,359,704.05

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Solution

The fourth proportional to 1,376,999,417.15, 1,900,326,617.08 and 774,359,704.05 is: 1,068,654,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,999,417.15 : 1,900,326,617.08 = 774,359,704.05 : x
  2. Step 2: Convert to fraction form
    1,376,999,417.15/1,900,326,617.08 = 774,359,704.05/x
  3. Step 3: Cross multiply
    1,376,999,417.15x = 1,900,326,617.08 × 774,359,704.05
  4. Step 4: Simplify right side
    1,376,999,417.15x = 1,471,536,356,795,680,768
  5. Step 5: Solve for x
    x = 1,471,536,356,795,680,768/1,376,999,417.15
  6. Step 6: Final answer
    x = 1,068,654,306.21

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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.