Home / 1,665,114,101.16-2,497,675,409.78-421,544,698.08

Finding the Fourth Proportional to 1,665,114,101.16, 2,497,675,409.78 and 421,544,698.08

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Solution

The fourth proportional to 1,665,114,101.16, 2,497,675,409.78 and 421,544,698.08 is: 632,318,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,114,101.16 : 2,497,675,409.78 = 421,544,698.08 : x
  2. Step 2: Convert to fraction form
    1,665,114,101.16/2,497,675,409.78 = 421,544,698.08/x
  3. Step 3: Cross multiply
    1,665,114,101.16x = 2,497,675,409.78 × 421,544,698.08
  4. Step 4: Simplify right side
    1,665,114,101.16x = 1,052,881,826,517,550,464
  5. Step 5: Solve for x
    x = 1,052,881,826,517,550,464/1,665,114,101.16
  6. Step 6: Final answer
    x = 632,318,125.10

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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.