Home / 18,910,585,148.48-28,365,877,724.67-6,319,443,595.31

Finding the Fourth Proportional to 18,910,585,148.48, 28,365,877,724.67 and 6,319,443,595.31

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Solution

The fourth proportional to 18,910,585,148.48, 28,365,877,724.67 and 6,319,443,595.31 is: 9,479,165,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910,585,148.48 : 28,365,877,724.67 = 6,319,443,595.31 : x
  2. Step 2: Convert to fraction form
    18,910,585,148.48/28,365,877,724.67 = 6,319,443,595.31/x
  3. Step 3: Cross multiply
    18,910,585,148.48x = 28,365,877,724.67 × 6,319,443,595.31
  4. Step 4: Simplify right side
    18,910,585,148.48x = 179,256,564,312,659,034,112
  5. Step 5: Solve for x
    x = 179,256,564,312,659,034,112/18,910,585,148.48
  6. Step 6: Final answer
    x = 9,479,165,393.62

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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.