Home / 1,049,761,620.70-1,574,642,431.05-359,439,444.70

Finding the Fourth Proportional to 1,049,761,620.70, 1,574,642,431.05 and 359,439,444.70

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Solution

The fourth proportional to 1,049,761,620.70, 1,574,642,431.05 and 359,439,444.70 is: 539,159,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,761,620.70 : 1,574,642,431.05 = 359,439,444.70 : x
  2. Step 2: Convert to fraction form
    1,049,761,620.70/1,574,642,431.05 = 359,439,444.70/x
  3. Step 3: Cross multiply
    1,049,761,620.70x = 1,574,642,431.05 × 359,439,444.70
  4. Step 4: Simplify right side
    1,049,761,620.70x = 565,988,601,017,670,016
  5. Step 5: Solve for x
    x = 565,988,601,017,670,016/1,049,761,620.70
  6. Step 6: Final answer
    x = 539,159,167.05

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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.