Home / 548,098,868.64-821,943,409.68-220,463,666.40

Finding the Fourth Proportional to 548,098,868.64, 821,943,409.68 and 220,463,666.40

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Solution

The fourth proportional to 548,098,868.64, 821,943,409.68 and 220,463,666.40 is: 330,613,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,098,868.64 : 821,943,409.68 = 220,463,666.40 : x
  2. Step 2: Convert to fraction form
    548,098,868.64/821,943,409.68 = 220,463,666.40/x
  3. Step 3: Cross multiply
    548,098,868.64x = 821,943,409.68 × 220,463,666.40
  4. Step 4: Simplify right side
    548,098,868.64x = 181,208,657,671,370,048
  5. Step 5: Solve for x
    x = 181,208,657,671,370,048/548,098,868.64
  6. Step 6: Final answer
    x = 330,613,084.68

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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.