Home / 522,088,876.90-783,121,938.90-245,586,830.59

Finding the Fourth Proportional to 522,088,876.90, 783,121,938.90 and 245,586,830.59

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Solution

The fourth proportional to 522,088,876.90, 783,121,938.90 and 245,586,830.59 is: 368,374,894.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,088,876.90 : 783,121,938.90 = 245,586,830.59 : x
  2. Step 2: Convert to fraction form
    522,088,876.90/783,121,938.90 = 245,586,830.59/x
  3. Step 3: Cross multiply
    522,088,876.90x = 783,121,938.90 × 245,586,830.59
  4. Step 4: Simplify right side
    522,088,876.90x = 192,324,434,939,946,624
  5. Step 5: Solve for x
    x = 192,324,434,939,946,624/522,088,876.90
  6. Step 6: Final answer
    x = 368,374,894.49

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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.