Home / 581,986,643.47-872,971,742.89-270,920,275.87

Finding the Fourth Proportional to 581,986,643.47, 872,971,742.89 and 270,920,275.87

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Solution

The fourth proportional to 581,986,643.47, 872,971,742.89 and 270,920,275.87 is: 406,376,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,986,643.47 : 872,971,742.89 = 270,920,275.87 : x
  2. Step 2: Convert to fraction form
    581,986,643.47/872,971,742.89 = 270,920,275.87/x
  3. Step 3: Cross multiply
    581,986,643.47x = 872,971,742.89 × 270,920,275.87
  4. Step 4: Simplify right side
    581,986,643.47x = 236,505,745,410,473,504
  5. Step 5: Solve for x
    x = 236,505,745,410,473,504/581,986,643.47
  6. Step 6: Final answer
    x = 406,376,586.24

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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.