Home / 722,544,966.84-997,032,087.56-400,664,841.16

Finding the Fourth Proportional to 722,544,966.84, 997,032,087.56 and 400,664,841.16

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Solution

The fourth proportional to 722,544,966.84, 997,032,087.56 and 400,664,841.16 is: 552,873,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,544,966.84 : 997,032,087.56 = 400,664,841.16 : x
  2. Step 2: Convert to fraction form
    722,544,966.84/997,032,087.56 = 400,664,841.16/x
  3. Step 3: Cross multiply
    722,544,966.84x = 997,032,087.56 × 400,664,841.16
  4. Step 4: Simplify right side
    722,544,966.84x = 399,475,702,993,650,624
  5. Step 5: Solve for x
    x = 399,475,702,993,650,624/722,544,966.84
  6. Step 6: Final answer
    x = 552,873,137.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.