Home / 1,913,918,296.25-2,870,877,441.14-459,895,720.25

Finding the Fourth Proportional to 1,913,918,296.25, 2,870,877,441.14 and 459,895,720.25

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Solution

The fourth proportional to 1,913,918,296.25, 2,870,877,441.14 and 459,895,720.25 is: 689,843,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,918,296.25 : 2,870,877,441.14 = 459,895,720.25 : x
  2. Step 2: Convert to fraction form
    1,913,918,296.25/2,870,877,441.14 = 459,895,720.25/x
  3. Step 3: Cross multiply
    1,913,918,296.25x = 2,870,877,441.14 × 459,895,720.25
  4. Step 4: Simplify right side
    1,913,918,296.25x = 1,320,304,248,542,557,184
  5. Step 5: Solve for x
    x = 1,320,304,248,542,557,184/1,913,918,296.25
  6. Step 6: Final answer
    x = 689,843,579.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.