Home / 298,178,104.11-411,480,870.26-174,439,743.63

Finding the Fourth Proportional to 298,178,104.11, 411,480,870.26 and 174,439,743.63

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Solution

The fourth proportional to 298,178,104.11, 411,480,870.26 and 174,439,743.63 is: 240,723,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,178,104.11 : 411,480,870.26 = 174,439,743.63 : x
  2. Step 2: Convert to fraction form
    298,178,104.11/411,480,870.26 = 174,439,743.63/x
  3. Step 3: Cross multiply
    298,178,104.11x = 411,480,870.26 × 174,439,743.63
  4. Step 4: Simplify right side
    298,178,104.11x = 71,778,617,515,931,488
  5. Step 5: Solve for x
    x = 71,778,617,515,931,488/298,178,104.11
  6. Step 6: Final answer
    x = 240,723,971.77

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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.