Home / 1,465,229,464.80-2,021,575,731.12-878,304,449.76

Finding the Fourth Proportional to 1,465,229,464.80, 2,021,575,731.12 and 878,304,449.76

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Solution

The fourth proportional to 1,465,229,464.80, 2,021,575,731.12 and 878,304,449.76 is: 1,211,795,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,229,464.80 : 2,021,575,731.12 = 878,304,449.76 : x
  2. Step 2: Convert to fraction form
    1,465,229,464.80/2,021,575,731.12 = 878,304,449.76/x
  3. Step 3: Cross multiply
    1,465,229,464.80x = 2,021,575,731.12 × 878,304,449.76
  4. Step 4: Simplify right side
    1,465,229,464.80x = 1,775,558,960,169,521,152
  5. Step 5: Solve for x
    x = 1,775,558,960,169,521,152/1,465,229,464.80
  6. Step 6: Final answer
    x = 1,211,795,833.23

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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.