Home / 281,566,903,307.46-388,569,690,788.25-153,115,864,502.55

Finding the Fourth Proportional to 281,566,903,307.46, 388,569,690,788.25 and 153,115,864,502.55

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Solution

The fourth proportional to 281,566,903,307.46, 388,569,690,788.25 and 153,115,864,502.55 is: 211,303,897,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,566,903,307.46 : 388,569,690,788.25 = 153,115,864,502.55 : x
  2. Step 2: Convert to fraction form
    281,566,903,307.46/388,569,690,788.25 = 153,115,864,502.55/x
  3. Step 3: Cross multiply
    281,566,903,307.46x = 388,569,690,788.25 × 153,115,864,502.55
  4. Step 4: Simplify right side
    281,566,903,307.46x = 59,496,184,124,531,430,916,096
  5. Step 5: Solve for x
    x = 59,496,184,124,531,430,916,096/281,566,903,307.46
  6. Step 6: Final answer
    x = 211,303,897,672.82

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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.