Home / 852,709,317.20-1,277,363,364.60-488,778,520.40

Finding the Fourth Proportional to 852,709,317.20, 1,277,363,364.60 and 488,778,520.40

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Solution

The fourth proportional to 852,709,317.20, 1,277,363,364.60 and 488,778,520.40 is: 732,192,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,709,317.20 : 1,277,363,364.60 = 488,778,520.40 : x
  2. Step 2: Convert to fraction form
    852,709,317.20/1,277,363,364.60 = 488,778,520.40/x
  3. Step 3: Cross multiply
    852,709,317.20x = 1,277,363,364.60 × 488,778,520.40
  4. Step 4: Simplify right side
    852,709,317.20x = 624,347,775,362,353,664
  5. Step 5: Solve for x
    x = 624,347,775,362,353,664/852,709,317.20
  6. Step 6: Final answer
    x = 732,192,979.21

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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.