Home / 325,808,539.60-488,712,809.40-290,095,704.40

Finding the Fourth Proportional to 325,808,539.60, 488,712,809.40 and 290,095,704.40

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Solution

The fourth proportional to 325,808,539.60, 488,712,809.40 and 290,095,704.40 is: 435,143,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,808,539.60 : 488,712,809.40 = 290,095,704.40 : x
  2. Step 2: Convert to fraction form
    325,808,539.60/488,712,809.40 = 290,095,704.40/x
  3. Step 3: Cross multiply
    325,808,539.60x = 488,712,809.40 × 290,095,704.40
  4. Step 4: Simplify right side
    325,808,539.60x = 141,773,486,692,195,920
  5. Step 5: Solve for x
    x = 141,773,486,692,195,920/325,808,539.60
  6. Step 6: Final answer
    x = 435,143,556.60

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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.