Home / 489,901,518.60-734,852,277.90-334,705,000.20

Finding the Fourth Proportional to 489,901,518.60, 734,852,277.90 and 334,705,000.20

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Solution

The fourth proportional to 489,901,518.60, 734,852,277.90 and 334,705,000.20 is: 502,057,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,901,518.60 : 734,852,277.90 = 334,705,000.20 : x
  2. Step 2: Convert to fraction form
    489,901,518.60/734,852,277.90 = 334,705,000.20/x
  3. Step 3: Cross multiply
    489,901,518.60x = 734,852,277.90 × 334,705,000.20
  4. Step 4: Simplify right side
    489,901,518.60x = 245,958,731,821,489,952
  5. Step 5: Solve for x
    x = 245,958,731,821,489,952/489,901,518.60
  6. Step 6: Final answer
    x = 502,057,500.30

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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.