Home / 1,772,927,999.60-2,659,391,999.40-480,463,487.60

Finding the Fourth Proportional to 1,772,927,999.60, 2,659,391,999.40 and 480,463,487.60

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Solution

The fourth proportional to 1,772,927,999.60, 2,659,391,999.40 and 480,463,487.60 is: 720,695,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,927,999.60 : 2,659,391,999.40 = 480,463,487.60 : x
  2. Step 2: Convert to fraction form
    1,772,927,999.60/2,659,391,999.40 = 480,463,487.60/x
  3. Step 3: Cross multiply
    1,772,927,999.60x = 2,659,391,999.40 × 480,463,487.60
  4. Step 4: Simplify right side
    1,772,927,999.60x = 1,277,740,754,927,261,184
  5. Step 5: Solve for x
    x = 1,277,740,754,927,261,184/1,772,927,999.60
  6. Step 6: Final answer
    x = 720,695,231.40

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Double scale
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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.