Home / 3,180,819,006.40-4,771,228,509.60-852,115,403.20

Finding the Fourth Proportional to 3,180,819,006.40, 4,771,228,509.60 and 852,115,403.20

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Solution

The fourth proportional to 3,180,819,006.40, 4,771,228,509.60 and 852,115,403.20 is: 1,278,173,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,819,006.40 : 4,771,228,509.60 = 852,115,403.20 : x
  2. Step 2: Convert to fraction form
    3,180,819,006.40/4,771,228,509.60 = 852,115,403.20/x
  3. Step 3: Cross multiply
    3,180,819,006.40x = 4,771,228,509.60 × 852,115,403.20
  4. Step 4: Simplify right side
    3,180,819,006.40x = 4,065,637,305,217,139,712
  5. Step 5: Solve for x
    x = 4,065,637,305,217,139,712/3,180,819,006.40
  6. Step 6: Final answer
    x = 1,278,173,104.80

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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.