Home / 679,318,533,362.93-1,018,971,084,995.40-311,226,814,963.17

Finding the Fourth Proportional to 679,318,533,362.93, 1,018,971,084,995.40 and 311,226,814,963.17

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Solution

The fourth proportional to 679,318,533,362.93, 1,018,971,084,995.40 and 311,226,814,963.17 is: 466,837,145,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,318,533,362.93 : 1,018,971,084,995.40 = 311,226,814,963.17 : x
  2. Step 2: Convert to fraction form
    679,318,533,362.93/1,018,971,084,995.40 = 311,226,814,963.17/x
  3. Step 3: Cross multiply
    679,318,533,362.93x = 1,018,971,084,995.40 × 311,226,814,963.17
  4. Step 4: Simplify right side
    679,318,533,362.93x = 317,131,125,322,683,892,367,360
  5. Step 5: Solve for x
    x = 317,131,125,322,683,892,367,360/679,318,533,362.93
  6. Step 6: Final answer
    x = 466,837,145,974.43

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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.