Home / 28,813,921,700.40-39,764,454,681.60-15,953,561,550

Finding the Fourth Proportional to 28,813,921,700.40, 39,764,454,681.60 and 15,953,561,550

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Solution

The fourth proportional to 28,813,921,700.40, 39,764,454,681.60 and 15,953,561,550 is: 22,016,603,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,813,921,700.40 : 39,764,454,681.60 = 15,953,561,550 : x
  2. Step 2: Convert to fraction form
    28,813,921,700.40/39,764,454,681.60 = 15,953,561,550/x
  3. Step 3: Cross multiply
    28,813,921,700.40x = 39,764,454,681.60 × 15,953,561,550
  4. Step 4: Simplify right side
    28,813,921,700.40x = 634,384,675,265,091,207,168
  5. Step 5: Solve for x
    x = 634,384,675,265,091,207,168/28,813,921,700.40
  6. Step 6: Final answer
    x = 22,016,603,010.91

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