Home / 585,969,580.32-808,627,873.08-318,039,663.66

Finding the Fourth Proportional to 585,969,580.32, 808,627,873.08 and 318,039,663.66

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Solution

The fourth proportional to 585,969,580.32, 808,627,873.08 and 318,039,663.66 is: 438,889,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,969,580.32 : 808,627,873.08 = 318,039,663.66 : x
  2. Step 2: Convert to fraction form
    585,969,580.32/808,627,873.08 = 318,039,663.66/x
  3. Step 3: Cross multiply
    585,969,580.32x = 808,627,873.08 × 318,039,663.66
  4. Step 4: Simplify right side
    585,969,580.32x = 257,175,736,780,464,416
  5. Step 5: Solve for x
    x = 257,175,736,780,464,416/585,969,580.32
  6. Step 6: Final answer
    x = 438,889,228.07

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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.