Home / 256,102,803.84-384,128,352.36-173,634,072.40

Finding the Fourth Proportional to 256,102,803.84, 384,128,352.36 and 173,634,072.40

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Solution

The fourth proportional to 256,102,803.84, 384,128,352.36 and 173,634,072.40 is: 260,433,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,102,803.84 : 384,128,352.36 = 173,634,072.40 : x
  2. Step 2: Convert to fraction form
    256,102,803.84/384,128,352.36 = 173,634,072.40/x
  3. Step 3: Cross multiply
    256,102,803.84x = 384,128,352.36 × 173,634,072.40
  4. Step 4: Simplify right side
    256,102,803.84x = 66,697,770,144,568,952
  5. Step 5: Solve for x
    x = 66,697,770,144,568,952/256,102,803.84
  6. Step 6: Final answer
    x = 260,433,580.36

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1.5x scale

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.