Home / 707,029,352.53-975,662,144.32-389,427,810.64

Finding the Fourth Proportional to 707,029,352.53, 975,662,144.32 and 389,427,810.64

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Solution

The fourth proportional to 707,029,352.53, 975,662,144.32 and 389,427,810.64 is: 537,389,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,029,352.53 : 975,662,144.32 = 389,427,810.64 : x
  2. Step 2: Convert to fraction form
    707,029,352.53/975,662,144.32 = 389,427,810.64/x
  3. Step 3: Cross multiply
    707,029,352.53x = 975,662,144.32 × 389,427,810.64
  4. Step 4: Simplify right side
    707,029,352.53x = 379,949,972,780,039,872
  5. Step 5: Solve for x
    x = 379,949,972,780,039,872/707,029,352.53
  6. Step 6: Final answer
    x = 537,389,249.01

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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.