Home / 1,360,934,861.60-2,041,402,292.40-391,586,477.60

Finding the Fourth Proportional to 1,360,934,861.60, 2,041,402,292.40 and 391,586,477.60

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Solution

The fourth proportional to 1,360,934,861.60, 2,041,402,292.40 and 391,586,477.60 is: 587,379,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,934,861.60 : 2,041,402,292.40 = 391,586,477.60 : x
  2. Step 2: Convert to fraction form
    1,360,934,861.60/2,041,402,292.40 = 391,586,477.60/x
  3. Step 3: Cross multiply
    1,360,934,861.60x = 2,041,402,292.40 × 391,586,477.60
  4. Step 4: Simplify right side
    1,360,934,861.60x = 799,385,533,045,481,344
  5. Step 5: Solve for x
    x = 799,385,533,045,481,344/1,360,934,861.60
  6. Step 6: Final answer
    x = 587,379,716.40

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Double scale
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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.