Home / 280,974,464.43-387,698,507.47-176,478,106.33

Finding the Fourth Proportional to 280,974,464.43, 387,698,507.47 and 176,478,106.33

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Solution

The fourth proportional to 280,974,464.43, 387,698,507.47 and 176,478,106.33 is: 243,510,735.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,974,464.43 : 387,698,507.47 = 176,478,106.33 : x
  2. Step 2: Convert to fraction form
    280,974,464.43/387,698,507.47 = 176,478,106.33/x
  3. Step 3: Cross multiply
    280,974,464.43x = 387,698,507.47 × 176,478,106.33
  4. Step 4: Simplify right side
    280,974,464.43x = 68,420,298,425,272,968
  5. Step 5: Solve for x
    x = 68,420,298,425,272,968/280,974,464.43
  6. Step 6: Final answer
    x = 243,510,735.27

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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.