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Finding the Fourth Proportional to 1,074,334,700.80, 1,611,502,051.20 and 947,355,731.20

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Solution

The fourth proportional to 1,074,334,700.80, 1,611,502,051.20 and 947,355,731.20 is: 1,421,033,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,334,700.80 : 1,611,502,051.20 = 947,355,731.20 : x
  2. Step 2: Convert to fraction form
    1,074,334,700.80/1,611,502,051.20 = 947,355,731.20/x
  3. Step 3: Cross multiply
    1,074,334,700.80x = 1,611,502,051.20 × 947,355,731.20
  4. Step 4: Simplify right side
    1,074,334,700.80x = 1,526,665,704,044,876,032
  5. Step 5: Solve for x
    x = 1,526,665,704,044,876,032/1,074,334,700.80
  6. Step 6: Final answer
    x = 1,421,033,596.80

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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.