Home / 1,465,345,674.90-2,198,018,512.35-1,455,142,007.70

Finding the Fourth Proportional to 1,465,345,674.90, 2,198,018,512.35 and 1,455,142,007.70

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Solution

The fourth proportional to 1,465,345,674.90, 2,198,018,512.35 and 1,455,142,007.70 is: 2,182,713,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,345,674.90 : 2,198,018,512.35 = 1,455,142,007.70 : x
  2. Step 2: Convert to fraction form
    1,465,345,674.90/2,198,018,512.35 = 1,455,142,007.70/x
  3. Step 3: Cross multiply
    1,465,345,674.90x = 2,198,018,512.35 × 1,455,142,007.70
  4. Step 4: Simplify right side
    1,465,345,674.90x = 3,198,429,071,022,746,112
  5. Step 5: Solve for x
    x = 3,198,429,071,022,746,112/1,465,345,674.90
  6. Step 6: Final answer
    x = 2,182,713,011.55

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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.