Home / 466,355,280.08-643,337,836.86-278,050,769.84

Finding the Fourth Proportional to 466,355,280.08, 643,337,836.86 and 278,050,769.84

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Solution

The fourth proportional to 466,355,280.08, 643,337,836.86 and 278,050,769.84 is: 383,571,471.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,355,280.08 : 643,337,836.86 = 278,050,769.84 : x
  2. Step 2: Convert to fraction form
    466,355,280.08/643,337,836.86 = 278,050,769.84/x
  3. Step 3: Cross multiply
    466,355,280.08x = 643,337,836.86 × 278,050,769.84
  4. Step 4: Simplify right side
    466,355,280.08x = 178,880,580,806,123,328
  5. Step 5: Solve for x
    x = 178,880,580,806,123,328/466,355,280.08
  6. Step 6: Final answer
    x = 383,571,471.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.