Home / 280,205,949,619.20-420,308,924,428.80-233,095,618,156.80

Finding the Fourth Proportional to 280,205,949,619.20, 420,308,924,428.80 and 233,095,618,156.80

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Solution

The fourth proportional to 280,205,949,619.20, 420,308,924,428.80 and 233,095,618,156.80 is: 349,643,427,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,205,949,619.20 : 420,308,924,428.80 = 233,095,618,156.80 : x
  2. Step 2: Convert to fraction form
    280,205,949,619.20/420,308,924,428.80 = 233,095,618,156.80/x
  3. Step 3: Cross multiply
    280,205,949,619.20x = 420,308,924,428.80 × 233,095,618,156.80
  4. Step 4: Simplify right side
    280,205,949,619.20x = 97,972,168,556,550,861,881,344
  5. Step 5: Solve for x
    x = 97,972,168,556,550,861,881,344/280,205,949,619.20
  6. Step 6: Final answer
    x = 349,643,427,235.20

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1.5x scale

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.