Home / 489,924,005.10-734,886,007.65-334,727,486.70

Finding the Fourth Proportional to 489,924,005.10, 734,886,007.65 and 334,727,486.70

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Solution

The fourth proportional to 489,924,005.10, 734,886,007.65 and 334,727,486.70 is: 502,091,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,924,005.10 : 734,886,007.65 = 334,727,486.70 : x
  2. Step 2: Convert to fraction form
    489,924,005.10/734,886,007.65 = 334,727,486.70/x
  3. Step 3: Cross multiply
    489,924,005.10x = 734,886,007.65 × 334,727,486.70
  4. Step 4: Simplify right side
    489,924,005.10x = 245,986,546,351,681,472
  5. Step 5: Solve for x
    x = 245,986,546,351,681,472/489,924,005.10
  6. Step 6: Final answer
    x = 502,091,230.05

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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.