Home / 807,417,615.60-1,211,126,423.40-440,085,596.40

Finding the Fourth Proportional to 807,417,615.60, 1,211,126,423.40 and 440,085,596.40

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Solution

The fourth proportional to 807,417,615.60, 1,211,126,423.40 and 440,085,596.40 is: 660,128,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,615.60 : 1,211,126,423.40 = 440,085,596.40 : x
  2. Step 2: Convert to fraction form
    807,417,615.60/1,211,126,423.40 = 440,085,596.40/x
  3. Step 3: Cross multiply
    807,417,615.60x = 1,211,126,423.40 × 440,085,596.40
  4. Step 4: Simplify right side
    807,417,615.60x = 532,999,294,357,787,904
  5. Step 5: Solve for x
    x = 532,999,294,357,787,904/807,417,615.60
  6. Step 6: Final answer
    x = 660,128,394.60

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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.