Home / 699,346,469.58-965,072,848.05-386,073,970.26

Finding the Fourth Proportional to 699,346,469.58, 965,072,848.05 and 386,073,970.26

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Solution

The fourth proportional to 699,346,469.58, 965,072,848.05 and 386,073,970.26 is: 532,768,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,346,469.58 : 965,072,848.05 = 386,073,970.26 : x
  2. Step 2: Convert to fraction form
    699,346,469.58/965,072,848.05 = 386,073,970.26/x
  3. Step 3: Cross multiply
    699,346,469.58x = 965,072,848.05 × 386,073,970.26
  4. Step 4: Simplify right side
    699,346,469.58x = 372,589,506,036,789,184
  5. Step 5: Solve for x
    x = 372,589,506,036,789,184/699,346,469.58
  6. Step 6: Final answer
    x = 532,768,123.16

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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.