Home / 612,091,895.40-918,192,979.98-197,578,544.76

Finding the Fourth Proportional to 612,091,895.40, 918,192,979.98 and 197,578,544.76

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Solution

The fourth proportional to 612,091,895.40, 918,192,979.98 and 197,578,544.76 is: 296,385,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,091,895.40 : 918,192,979.98 = 197,578,544.76 : x
  2. Step 2: Convert to fraction form
    612,091,895.40/918,192,979.98 = 197,578,544.76/x
  3. Step 3: Cross multiply
    612,091,895.40x = 918,192,979.98 × 197,578,544.76
  4. Step 4: Simplify right side
    612,091,895.40x = 181,415,232,793,296,224
  5. Step 5: Solve for x
    x = 181,415,232,793,296,224/612,091,895.40
  6. Step 6: Final answer
    x = 296,385,614.90

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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.