Home / 286,685,642.04-429,358,847.40-263,536,072.08

Finding the Fourth Proportional to 286,685,642.04, 429,358,847.40 and 263,536,072.08

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Solution

The fourth proportional to 286,685,642.04, 429,358,847.40 and 263,536,072.08 is: 394,688,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,685,642.04 : 429,358,847.40 = 263,536,072.08 : x
  2. Step 2: Convert to fraction form
    286,685,642.04/429,358,847.40 = 263,536,072.08/x
  3. Step 3: Cross multiply
    286,685,642.04x = 429,358,847.40 × 263,536,072.08
  4. Step 4: Simplify right side
    286,685,642.04x = 113,151,544,156,592,112
  5. Step 5: Solve for x
    x = 113,151,544,156,592,112/286,685,642.04
  6. Step 6: Final answer
    x = 394,688,563.23

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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.