Home / 1,294,386,056.61-1,786,251,987.41-699,670,548.88

Finding the Fourth Proportional to 1,294,386,056.61, 1,786,251,987.41 and 699,670,548.88

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Solution

The fourth proportional to 1,294,386,056.61, 1,786,251,987.41 and 699,670,548.88 is: 965,544,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,386,056.61 : 1,786,251,987.41 = 699,670,548.88 : x
  2. Step 2: Convert to fraction form
    1,294,386,056.61/1,786,251,987.41 = 699,670,548.88/x
  3. Step 3: Cross multiply
    1,294,386,056.61x = 1,786,251,987.41 × 699,670,548.88
  4. Step 4: Simplify right side
    1,294,386,056.61x = 1,249,787,908,461,181,696
  5. Step 5: Solve for x
    x = 1,249,787,908,461,181,696/1,294,386,056.61
  6. Step 6: Final answer
    x = 965,544,940.85

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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.