Home / 656,285,205.60-984,353,158.80-171,660,002.40

Finding the Fourth Proportional to 656,285,205.60, 984,353,158.80 and 171,660,002.40

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Solution

The fourth proportional to 656,285,205.60, 984,353,158.80 and 171,660,002.40 is: 257,470,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,285,205.60 : 984,353,158.80 = 171,660,002.40 : x
  2. Step 2: Convert to fraction form
    656,285,205.60/984,353,158.80 = 171,660,002.40/x
  3. Step 3: Cross multiply
    656,285,205.60x = 984,353,158.80 × 171,660,002.40
  4. Step 4: Simplify right side
    656,285,205.60x = 168,974,065,602,055,584
  5. Step 5: Solve for x
    x = 168,974,065,602,055,584/656,285,205.60
  6. Step 6: Final answer
    x = 257,470,478.02

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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.