Home / 697,791,963.86-1,046,054,420.37-348,144,972.54

Finding the Fourth Proportional to 697,791,963.86, 1,046,054,420.37 and 348,144,972.54

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Solution

The fourth proportional to 697,791,963.86, 1,046,054,420.37 and 348,144,972.54 is: 521,901,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,791,963.86 : 1,046,054,420.37 = 348,144,972.54 : x
  2. Step 2: Convert to fraction form
    697,791,963.86/1,046,054,420.37 = 348,144,972.54/x
  3. Step 3: Cross multiply
    697,791,963.86x = 1,046,054,420.37 × 348,144,972.54
  4. Step 4: Simplify right side
    697,791,963.86x = 364,178,587,455,059,264
  5. Step 5: Solve for x
    x = 364,178,587,455,059,264/697,791,963.86
  6. Step 6: Final answer
    x = 521,901,377.94

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Double scale
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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.