Home / 869,116,514.30-1,303,674,771.45-523,892,440.70

Finding the Fourth Proportional to 869,116,514.30, 1,303,674,771.45 and 523,892,440.70

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Solution

The fourth proportional to 869,116,514.30, 1,303,674,771.45 and 523,892,440.70 is: 785,838,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,116,514.30 : 1,303,674,771.45 = 523,892,440.70 : x
  2. Step 2: Convert to fraction form
    869,116,514.30/1,303,674,771.45 = 523,892,440.70/x
  3. Step 3: Cross multiply
    869,116,514.30x = 1,303,674,771.45 × 523,892,440.70
  4. Step 4: Simplify right side
    869,116,514.30x = 682,985,357,893,955,200
  5. Step 5: Solve for x
    x = 682,985,357,893,955,200/869,116,514.30
  6. Step 6: Final answer
    x = 785,838,661.05

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Double scale
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Similar ratio
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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.