Home / 207,019,594.80-310,529,392.20-202,988,516.40

Finding the Fourth Proportional to 207,019,594.80, 310,529,392.20 and 202,988,516.40

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Solution

The fourth proportional to 207,019,594.80, 310,529,392.20 and 202,988,516.40 is: 304,482,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,019,594.80 : 310,529,392.20 = 202,988,516.40 : x
  2. Step 2: Convert to fraction form
    207,019,594.80/310,529,392.20 = 202,988,516.40/x
  3. Step 3: Cross multiply
    207,019,594.80x = 310,529,392.20 × 202,988,516.40
  4. Step 4: Simplify right side
    207,019,594.80x = 63,033,900,621,271,728
  5. Step 5: Solve for x
    x = 63,033,900,621,271,728/207,019,594.80
  6. Step 6: Final answer
    x = 304,482,774.60

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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.