Home / 997,617,898.84-1,376,760,684.54-551,573,008.60

Finding the Fourth Proportional to 997,617,898.84, 1,376,760,684.54 and 551,573,008.60

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Solution

The fourth proportional to 997,617,898.84, 1,376,760,684.54 and 551,573,008.60 is: 761,197,281.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,617,898.84 : 1,376,760,684.54 = 551,573,008.60 : x
  2. Step 2: Convert to fraction form
    997,617,898.84/1,376,760,684.54 = 551,573,008.60/x
  3. Step 3: Cross multiply
    997,617,898.84x = 1,376,760,684.54 × 551,573,008.60
  4. Step 4: Simplify right side
    997,617,898.84x = 759,384,032,893,923,328
  5. Step 5: Solve for x
    x = 759,384,032,893,923,328/997,617,898.84
  6. Step 6: Final answer
    x = 761,197,281.82

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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.