Home / 489,888,081.60-734,832,122.40-352,138,574.40

Finding the Fourth Proportional to 489,888,081.60, 734,832,122.40 and 352,138,574.40

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Solution

The fourth proportional to 489,888,081.60, 734,832,122.40 and 352,138,574.40 is: 528,207,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,888,081.60 : 734,832,122.40 = 352,138,574.40 : x
  2. Step 2: Convert to fraction form
    489,888,081.60/734,832,122.40 = 352,138,574.40/x
  3. Step 3: Cross multiply
    489,888,081.60x = 734,832,122.40 × 352,138,574.40
  4. Step 4: Simplify right side
    489,888,081.60x = 258,762,736,005,262,272
  5. Step 5: Solve for x
    x = 258,762,736,005,262,272/489,888,081.60
  6. Step 6: Final answer
    x = 528,207,861.60

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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.