Home / 707,036,010.16-975,739,934.98-393,770,173.90

Finding the Fourth Proportional to 707,036,010.16, 975,739,934.98 and 393,770,173.90

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Solution

The fourth proportional to 707,036,010.16, 975,739,934.98 and 393,770,173.90 is: 543,419,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,036,010.16 : 975,739,934.98 = 393,770,173.90 : x
  2. Step 2: Convert to fraction form
    707,036,010.16/975,739,934.98 = 393,770,173.90/x
  3. Step 3: Cross multiply
    707,036,010.16x = 975,739,934.98 × 393,770,173.90
  4. Step 4: Simplify right side
    707,036,010.16x = 384,217,283,877,400,256
  5. Step 5: Solve for x
    x = 384,217,283,877,400,256/707,036,010.16
  6. Step 6: Final answer
    x = 543,419,682.10

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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.