Home / 286,645,854,811.40-429,952,711,039.50-87,898,598,341.64

Finding the Fourth Proportional to 286,645,854,811.40, 429,952,711,039.50 and 87,898,598,341.64

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Solution

The fourth proportional to 286,645,854,811.40, 429,952,711,039.50 and 87,898,598,341.64 is: 131,842,969,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,645,854,811.40 : 429,952,711,039.50 = 87,898,598,341.64 : x
  2. Step 2: Convert to fraction form
    286,645,854,811.40/429,952,711,039.50 = 87,898,598,341.64/x
  3. Step 3: Cross multiply
    286,645,854,811.40x = 429,952,711,039.50 × 87,898,598,341.64
  4. Step 4: Simplify right side
    286,645,854,811.40x = 37,792,240,653,560,214,192,128
  5. Step 5: Solve for x
    x = 37,792,240,653,560,214,192,128/286,645,854,811.40
  6. Step 6: Final answer
    x = 131,842,969,361.71

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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.