Home / 13,154,538,639.42-19,723,928,079.87-4,186,854,339.57

Finding the Fourth Proportional to 13,154,538,639.42, 19,723,928,079.87 and 4,186,854,339.57

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Solution

The fourth proportional to 13,154,538,639.42, 19,723,928,079.87 and 4,186,854,339.57 is: 6,277,773,484.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,538,639.42 : 19,723,928,079.87 = 4,186,854,339.57 : x
  2. Step 2: Convert to fraction form
    13,154,538,639.42/19,723,928,079.87 = 4,186,854,339.57/x
  3. Step 3: Cross multiply
    13,154,538,639.42x = 19,723,928,079.87 × 4,186,854,339.57
  4. Step 4: Simplify right side
    13,154,538,639.42x = 82,581,213,874,570,280,960
  5. Step 5: Solve for x
    x = 82,581,213,874,570,280,960/13,154,538,639.42
  6. Step 6: Final answer
    x = 6,277,773,484.74

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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.