Home / 296,829,415,277.10-445,244,122,915.65-155,284,143,878.70

Finding the Fourth Proportional to 296,829,415,277.10, 445,244,122,915.65 and 155,284,143,878.70

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Solution

The fourth proportional to 296,829,415,277.10, 445,244,122,915.65 and 155,284,143,878.70 is: 232,926,215,818.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,829,415,277.10 : 445,244,122,915.65 = 155,284,143,878.70 : x
  2. Step 2: Convert to fraction form
    296,829,415,277.10/445,244,122,915.65 = 155,284,143,878.70/x
  3. Step 3: Cross multiply
    296,829,415,277.10x = 445,244,122,915.65 × 155,284,143,878.70
  4. Step 4: Simplify right side
    296,829,415,277.10x = 69,139,352,443,979,395,235,840
  5. Step 5: Solve for x
    x = 69,139,352,443,979,395,235,840/296,829,415,277.10
  6. Step 6: Final answer
    x = 232,926,215,818.05

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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.