Home / 359,542,492.20-539,313,738.30-355,959,311.40

Finding the Fourth Proportional to 359,542,492.20, 539,313,738.30 and 355,959,311.40

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Solution

The fourth proportional to 359,542,492.20, 539,313,738.30 and 355,959,311.40 is: 533,938,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,542,492.20 : 539,313,738.30 = 355,959,311.40 : x
  2. Step 2: Convert to fraction form
    359,542,492.20/539,313,738.30 = 355,959,311.40/x
  3. Step 3: Cross multiply
    359,542,492.20x = 539,313,738.30 × 355,959,311.40
  4. Step 4: Simplify right side
    359,542,492.20x = 191,973,746,913,827,776
  5. Step 5: Solve for x
    x = 191,973,746,913,827,776/359,542,492.20
  6. Step 6: Final answer
    x = 533,938,967.10

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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.