Home / 472,407,965.40-708,611,948.10-268,334,621.40

Finding the Fourth Proportional to 472,407,965.40, 708,611,948.10 and 268,334,621.40

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Solution

The fourth proportional to 472,407,965.40, 708,611,948.10 and 268,334,621.40 is: 402,501,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,407,965.40 : 708,611,948.10 = 268,334,621.40 : x
  2. Step 2: Convert to fraction form
    472,407,965.40/708,611,948.10 = 268,334,621.40/x
  3. Step 3: Cross multiply
    472,407,965.40x = 708,611,948.10 × 268,334,621.40
  4. Step 4: Simplify right side
    472,407,965.40x = 190,145,118,812,929,952
  5. Step 5: Solve for x
    x = 190,145,118,812,929,952/472,407,965.40
  6. Step 6: Final answer
    x = 402,501,932.10

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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.