Home / 489,924,005.85-734,886,008.78-334,727,487.45

Finding the Fourth Proportional to 489,924,005.85, 734,886,008.78 and 334,727,487.45

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Solution

The fourth proportional to 489,924,005.85, 734,886,008.78 and 334,727,487.45 is: 502,091,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,924,005.85 : 734,886,008.78 = 334,727,487.45 : x
  2. Step 2: Convert to fraction form
    489,924,005.85/734,886,008.78 = 334,727,487.45/x
  3. Step 3: Cross multiply
    489,924,005.85x = 734,886,008.78 × 334,727,487.45
  4. Step 4: Simplify right side
    489,924,005.85x = 245,986,547,279,414,400
  5. Step 5: Solve for x
    x = 245,986,547,279,414,400/489,924,005.85
  6. Step 6: Final answer
    x = 502,091,231.18

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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.