Home / 478,861,466.04-660,772,669.14-270,005,162.76

Finding the Fourth Proportional to 478,861,466.04, 660,772,669.14 and 270,005,162.76

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Solution

The fourth proportional to 478,861,466.04, 660,772,669.14 and 270,005,162.76 is: 372,575,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,861,466.04 : 660,772,669.14 = 270,005,162.76 : x
  2. Step 2: Convert to fraction form
    478,861,466.04/660,772,669.14 = 270,005,162.76/x
  3. Step 3: Cross multiply
    478,861,466.04x = 660,772,669.14 × 270,005,162.76
  4. Step 4: Simplify right side
    478,861,466.04x = 178,412,032,078,505,312
  5. Step 5: Solve for x
    x = 178,412,032,078,505,312/478,861,466.04
  6. Step 6: Final answer
    x = 372,575,462.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.