Home / 1,061,136,468.80-1,590,193,048.80-782,614,145.60

Finding the Fourth Proportional to 1,061,136,468.80, 1,590,193,048.80 and 782,614,145.60

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Solution

The fourth proportional to 1,061,136,468.80, 1,590,193,048.80 and 782,614,145.60 is: 1,172,806,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,136,468.80 : 1,590,193,048.80 = 782,614,145.60 : x
  2. Step 2: Convert to fraction form
    1,061,136,468.80/1,590,193,048.80 = 782,614,145.60/x
  3. Step 3: Cross multiply
    1,061,136,468.80x = 1,590,193,048.80 × 782,614,145.60
  4. Step 4: Simplify right side
    1,061,136,468.80x = 1,244,507,574,225,671,168
  5. Step 5: Solve for x
    x = 1,244,507,574,225,671,168/1,061,136,468.80
  6. Step 6: Final answer
    x = 1,172,806,336.24

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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.