Home / 1,628,342,812.38-2,443,547,303.78-695,672,687.06

Finding the Fourth Proportional to 1,628,342,812.38, 2,443,547,303.78 and 695,672,687.06

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Solution

The fourth proportional to 1,628,342,812.38, 2,443,547,303.78 and 695,672,687.06 is: 1,043,950,392.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,342,812.38 : 2,443,547,303.78 = 695,672,687.06 : x
  2. Step 2: Convert to fraction form
    1,628,342,812.38/2,443,547,303.78 = 695,672,687.06/x
  3. Step 3: Cross multiply
    1,628,342,812.38x = 2,443,547,303.78 × 695,672,687.06
  4. Step 4: Simplify right side
    1,628,342,812.38x = 1,699,909,118,778,850,816
  5. Step 5: Solve for x
    x = 1,699,909,118,778,850,816/1,628,342,812.38
  6. Step 6: Final answer
    x = 1,043,950,392.91

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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.