Home / 678,683,263,820.52-1,018,129,499,267-231,398,560,860.32

Finding the Fourth Proportional to 678,683,263,820.52, 1,018,129,499,267 and 231,398,560,860.32

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Solution

The fourth proportional to 678,683,263,820.52, 1,018,129,499,267 and 231,398,560,860.32 is: 347,133,506,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,683,263,820.52 : 1,018,129,499,267 = 231,398,560,860.32 : x
  2. Step 2: Convert to fraction form
    678,683,263,820.52/1,018,129,499,267 = 231,398,560,860.32/x
  3. Step 3: Cross multiply
    678,683,263,820.52x = 1,018,129,499,267 × 231,398,560,860.32
  4. Step 4: Simplify right side
    678,683,263,820.52x = 235,593,700,899,822,017,445,888
  5. Step 5: Solve for x
    x = 235,593,700,899,822,017,445,888/678,683,263,820.52
  6. Step 6: Final answer
    x = 347,133,506,097.66

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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.