Home / 3,520,303,012.80-5,280,455,497.68-1,309,223,831.76

Finding the Fourth Proportional to 3,520,303,012.80, 5,280,455,497.68 and 1,309,223,831.76

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Solution

The fourth proportional to 3,520,303,012.80, 5,280,455,497.68 and 1,309,223,831.76 is: 1,963,836,111.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,303,012.80 : 5,280,455,497.68 = 1,309,223,831.76 : x
  2. Step 2: Convert to fraction form
    3,520,303,012.80/5,280,455,497.68 = 1,309,223,831.76/x
  3. Step 3: Cross multiply
    3,520,303,012.80x = 5,280,455,497.68 × 1,309,223,831.76
  4. Step 4: Simplify right side
    3,520,303,012.80x = 6,913,298,180,110,768,128
  5. Step 5: Solve for x
    x = 6,913,298,180,110,768,128/3,520,303,012.80
  6. Step 6: Final answer
    x = 1,963,836,111.54

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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.