Home / 910,403,924.37-1,366,150,688.88-392,834,364.85

Finding the Fourth Proportional to 910,403,924.37, 1,366,150,688.88 and 392,834,364.85

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Solution

The fourth proportional to 910,403,924.37, 1,366,150,688.88 and 392,834,364.85 is: 589,486,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,403,924.37 : 1,366,150,688.88 = 392,834,364.85 : x
  2. Step 2: Convert to fraction form
    910,403,924.37/1,366,150,688.88 = 392,834,364.85/x
  3. Step 3: Cross multiply
    910,403,924.37x = 1,366,150,688.88 × 392,834,364.85
  4. Step 4: Simplify right side
    910,403,924.37x = 536,670,938,155,564,864
  5. Step 5: Solve for x
    x = 536,670,938,155,564,864/910,403,924.37
  6. Step 6: Final answer
    x = 589,486,626.53

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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.