Home / 286,645,854,808.40-429,952,711,035-87,898,598,338.64

Finding the Fourth Proportional to 286,645,854,808.40, 429,952,711,035 and 87,898,598,338.64

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Solution

The fourth proportional to 286,645,854,808.40, 429,952,711,035 and 87,898,598,338.64 is: 131,842,969,357.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,645,854,808.40 : 429,952,711,035 = 87,898,598,338.64 : x
  2. Step 2: Convert to fraction form
    286,645,854,808.40/429,952,711,035 = 87,898,598,338.64/x
  3. Step 3: Cross multiply
    286,645,854,808.40x = 429,952,711,035 × 87,898,598,338.64
  4. Step 4: Simplify right side
    286,645,854,808.40x = 37,792,240,651,874,817,015,808
  5. Step 5: Solve for x
    x = 37,792,240,651,874,817,015,808/286,645,854,808.40
  6. Step 6: Final answer
    x = 131,842,969,357.21

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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.