Home / 869,082,002.10-1,303,623,003.15-593,582,987.70

Finding the Fourth Proportional to 869,082,002.10, 1,303,623,003.15 and 593,582,987.70

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Solution

The fourth proportional to 869,082,002.10, 1,303,623,003.15 and 593,582,987.70 is: 890,374,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,082,002.10 : 1,303,623,003.15 = 593,582,987.70 : x
  2. Step 2: Convert to fraction form
    869,082,002.10/1,303,623,003.15 = 593,582,987.70/x
  3. Step 3: Cross multiply
    869,082,002.10x = 1,303,623,003.15 × 593,582,987.70
  4. Step 4: Simplify right side
    869,082,002.10x = 773,808,437,044,223,616
  5. Step 5: Solve for x
    x = 773,808,437,044,223,616/869,082,002.10
  6. Step 6: Final answer
    x = 890,374,481.55

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Half scale
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Double scale
Find fourth proportional to 869,082,003.10, 1,303,623,004.65 and 593,582,988.70
Similar ratio
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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.