Home / 1,487,784,754.32-2,053,161,847.56-818,806,823.76

Finding the Fourth Proportional to 1,487,784,754.32, 2,053,161,847.56 and 818,806,823.76

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Solution

The fourth proportional to 1,487,784,754.32, 2,053,161,847.56 and 818,806,823.76 is: 1,129,963,811.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,784,754.32 : 2,053,161,847.56 = 818,806,823.76 : x
  2. Step 2: Convert to fraction form
    1,487,784,754.32/2,053,161,847.56 = 818,806,823.76/x
  3. Step 3: Cross multiply
    1,487,784,754.32x = 2,053,161,847.56 × 818,806,823.76
  4. Step 4: Simplify right side
    1,487,784,754.32x = 1,681,142,931,065,816,832
  5. Step 5: Solve for x
    x = 1,681,142,931,065,816,832/1,487,784,754.32
  6. Step 6: Final answer
    x = 1,129,963,811.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.