Home / 1,680,843,611.20-2,521,643,330.40-516,365,838.40

Finding the Fourth Proportional to 1,680,843,611.20, 2,521,643,330.40 and 516,365,838.40

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Solution

The fourth proportional to 1,680,843,611.20, 2,521,643,330.40 and 516,365,838.40 is: 774,664,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,843,611.20 : 2,521,643,330.40 = 516,365,838.40 : x
  2. Step 2: Convert to fraction form
    1,680,843,611.20/2,521,643,330.40 = 516,365,838.40/x
  3. Step 3: Cross multiply
    1,680,843,611.20x = 2,521,643,330.40 × 516,365,838.40
  4. Step 4: Simplify right side
    1,680,843,611.20x = 1,302,090,472,447,764,224
  5. Step 5: Solve for x
    x = 1,302,090,472,447,764,224/1,680,843,611.20
  6. Step 6: Final answer
    x = 774,664,855.06

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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.