Home / 673,986,689.60-1,010,980,034.40-559,100,955.20

Finding the Fourth Proportional to 673,986,689.60, 1,010,980,034.40 and 559,100,955.20

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Solution

The fourth proportional to 673,986,689.60, 1,010,980,034.40 and 559,100,955.20 is: 838,651,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,986,689.60 : 1,010,980,034.40 = 559,100,955.20 : x
  2. Step 2: Convert to fraction form
    673,986,689.60/1,010,980,034.40 = 559,100,955.20/x
  3. Step 3: Cross multiply
    673,986,689.60x = 1,010,980,034.40 × 559,100,955.20
  4. Step 4: Simplify right side
    673,986,689.60x = 565,239,902,921,168,896
  5. Step 5: Solve for x
    x = 565,239,902,921,168,896/673,986,689.60
  6. Step 6: Final answer
    x = 838,651,432.80

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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.