Home / 359,542,495.20-539,313,742.80-355,959,314.40

Finding the Fourth Proportional to 359,542,495.20, 539,313,742.80 and 355,959,314.40

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Solution

The fourth proportional to 359,542,495.20, 539,313,742.80 and 355,959,314.40 is: 533,938,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,542,495.20 : 539,313,742.80 = 355,959,314.40 : x
  2. Step 2: Convert to fraction form
    359,542,495.20/539,313,742.80 = 355,959,314.40/x
  3. Step 3: Cross multiply
    359,542,495.20x = 539,313,742.80 × 355,959,314.40
  4. Step 4: Simplify right side
    359,542,495.20x = 191,973,750,133,585,920
  5. Step 5: Solve for x
    x = 191,973,750,133,585,920/359,542,495.20
  6. Step 6: Final answer
    x = 533,938,971.60

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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.