Home / 970,882,527.03-1,340,182,240.52-636,376,606.30

Finding the Fourth Proportional to 970,882,527.03, 1,340,182,240.52 and 636,376,606.30

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Solution

The fourth proportional to 970,882,527.03, 1,340,182,240.52 and 636,376,606.30 is: 878,438,536.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,882,527.03 : 1,340,182,240.52 = 636,376,606.30 : x
  2. Step 2: Convert to fraction form
    970,882,527.03/1,340,182,240.52 = 636,376,606.30/x
  3. Step 3: Cross multiply
    970,882,527.03x = 1,340,182,240.52 × 636,376,606.30
  4. Step 4: Simplify right side
    970,882,527.03x = 852,860,626,045,647,872
  5. Step 5: Solve for x
    x = 852,860,626,045,647,872/970,882,527.03
  6. Step 6: Final answer
    x = 878,438,536.38

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Double scale
Find fourth proportional to 970,882,528.03, 1,340,182,241.90 and 636,376,607.30
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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.