Home / 1,302,068,111.20-1,953,102,166.80-484,011,138.40

Finding the Fourth Proportional to 1,302,068,111.20, 1,953,102,166.80 and 484,011,138.40

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Solution

The fourth proportional to 1,302,068,111.20, 1,953,102,166.80 and 484,011,138.40 is: 726,016,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,068,111.20 : 1,953,102,166.80 = 484,011,138.40 : x
  2. Step 2: Convert to fraction form
    1,302,068,111.20/1,953,102,166.80 = 484,011,138.40/x
  3. Step 3: Cross multiply
    1,302,068,111.20x = 1,953,102,166.80 × 484,011,138.40
  4. Step 4: Simplify right side
    1,302,068,111.20x = 945,323,203,164,374,656
  5. Step 5: Solve for x
    x = 945,323,203,164,374,656/1,302,068,111.20
  6. Step 6: Final answer
    x = 726,016,707.60

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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.