Home / 1,216,959,089.60-1,815,206,894.18-1,105,238,976.16

Finding the Fourth Proportional to 1,216,959,089.60, 1,815,206,894.18 and 1,105,238,976.16

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Solution

The fourth proportional to 1,216,959,089.60, 1,815,206,894.18 and 1,105,238,976.16 is: 1,648,566,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,959,089.60 : 1,815,206,894.18 = 1,105,238,976.16 : x
  2. Step 2: Convert to fraction form
    1,216,959,089.60/1,815,206,894.18 = 1,105,238,976.16/x
  3. Step 3: Cross multiply
    1,216,959,089.60x = 1,815,206,894.18 × 1,105,238,976.16
  4. Step 4: Simplify right side
    1,216,959,089.60x = 2,006,237,409,242,076,928
  5. Step 5: Solve for x
    x = 2,006,237,409,242,076,928/1,216,959,089.60
  6. Step 6: Final answer
    x = 1,648,566,025.26

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.