Home / 852,806,549.20-1,280,166,417.60-659,574,601.60

Finding the Fourth Proportional to 852,806,549.20, 1,280,166,417.60 and 659,574,601.60

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Solution

The fourth proportional to 852,806,549.20, 1,280,166,417.60 and 659,574,601.60 is: 990,101,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,806,549.20 : 1,280,166,417.60 = 659,574,601.60 : x
  2. Step 2: Convert to fraction form
    852,806,549.20/1,280,166,417.60 = 659,574,601.60/x
  3. Step 3: Cross multiply
    852,806,549.20x = 1,280,166,417.60 × 659,574,601.60
  4. Step 4: Simplify right side
    852,806,549.20x = 844,365,254,870,219,136
  5. Step 5: Solve for x
    x = 844,365,254,870,219,136/852,806,549.20
  6. Step 6: Final answer
    x = 990,101,747.77

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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.