Home / 825,984,048.60-1,238,976,072.90-578,744,573.40

Finding the Fourth Proportional to 825,984,048.60, 1,238,976,072.90 and 578,744,573.40

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Solution

The fourth proportional to 825,984,048.60, 1,238,976,072.90 and 578,744,573.40 is: 868,116,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,984,048.60 : 1,238,976,072.90 = 578,744,573.40 : x
  2. Step 2: Convert to fraction form
    825,984,048.60/1,238,976,072.90 = 578,744,573.40/x
  3. Step 3: Cross multiply
    825,984,048.60x = 1,238,976,072.90 × 578,744,573.40
  4. Step 4: Simplify right side
    825,984,048.60x = 717,050,678,763,317,888
  5. Step 5: Solve for x
    x = 717,050,678,763,317,888/825,984,048.60
  6. Step 6: Final answer
    x = 868,116,860.10

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1.5x scale

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.