Home / 1,170,048,270.60-1,755,072,405.90-393,435,822.60

Finding the Fourth Proportional to 1,170,048,270.60, 1,755,072,405.90 and 393,435,822.60

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Solution

The fourth proportional to 1,170,048,270.60, 1,755,072,405.90 and 393,435,822.60 is: 590,153,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,048,270.60 : 1,755,072,405.90 = 393,435,822.60 : x
  2. Step 2: Convert to fraction form
    1,170,048,270.60/1,755,072,405.90 = 393,435,822.60/x
  3. Step 3: Cross multiply
    1,170,048,270.60x = 1,755,072,405.90 × 393,435,822.60
  4. Step 4: Simplify right side
    1,170,048,270.60x = 690,508,355,737,827,712
  5. Step 5: Solve for x
    x = 690,508,355,737,827,712/1,170,048,270.60
  6. Step 6: Final answer
    x = 590,153,733.90

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Double scale
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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.