Home / 489,924,009.60-734,886,014.40-334,727,491.20

Finding the Fourth Proportional to 489,924,009.60, 734,886,014.40 and 334,727,491.20

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Solution

The fourth proportional to 489,924,009.60, 734,886,014.40 and 334,727,491.20 is: 502,091,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,924,009.60 : 734,886,014.40 = 334,727,491.20 : x
  2. Step 2: Convert to fraction form
    489,924,009.60/734,886,014.40 = 334,727,491.20/x
  3. Step 3: Cross multiply
    489,924,009.60x = 734,886,014.40 × 334,727,491.20
  4. Step 4: Simplify right side
    489,924,009.60x = 245,986,551,918,079,072
  5. Step 5: Solve for x
    x = 245,986,551,918,079,072/489,924,009.60
  6. Step 6: Final answer
    x = 502,091,236.80

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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.