Home / 290,142,340.20-435,213,510.30-232,746,712.20

Finding the Fourth Proportional to 290,142,340.20, 435,213,510.30 and 232,746,712.20

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Solution

The fourth proportional to 290,142,340.20, 435,213,510.30 and 232,746,712.20 is: 349,120,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,142,340.20 : 435,213,510.30 = 232,746,712.20 : x
  2. Step 2: Convert to fraction form
    290,142,340.20/435,213,510.30 = 232,746,712.20/x
  3. Step 3: Cross multiply
    290,142,340.20x = 435,213,510.30 × 232,746,712.20
  4. Step 4: Simplify right side
    290,142,340.20x = 101,294,513,627,345,840
  5. Step 5: Solve for x
    x = 101,294,513,627,345,840/290,142,340.20
  6. Step 6: Final answer
    x = 349,120,068.30

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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.