Home / 937,728,052.20-1,406,592,078.30-647,490,407.40

Finding the Fourth Proportional to 937,728,052.20, 1,406,592,078.30 and 647,490,407.40

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Solution

The fourth proportional to 937,728,052.20, 1,406,592,078.30 and 647,490,407.40 is: 971,235,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,728,052.20 : 1,406,592,078.30 = 647,490,407.40 : x
  2. Step 2: Convert to fraction form
    937,728,052.20/1,406,592,078.30 = 647,490,407.40/x
  3. Step 3: Cross multiply
    937,728,052.20x = 1,406,592,078.30 × 647,490,407.40
  4. Step 4: Simplify right side
    937,728,052.20x = 910,754,877,824,079,616
  5. Step 5: Solve for x
    x = 910,754,877,824,079,616/937,728,052.20
  6. Step 6: Final answer
    x = 971,235,611.10

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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.