Home / 611,997,830.96-918,176,855.12-197,466,875.80

Finding the Fourth Proportional to 611,997,830.96, 918,176,855.12 and 197,466,875.80

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Solution

The fourth proportional to 611,997,830.96, 918,176,855.12 and 197,466,875.80 is: 296,258,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,997,830.96 : 918,176,855.12 = 197,466,875.80 : x
  2. Step 2: Convert to fraction form
    611,997,830.96/918,176,855.12 = 197,466,875.80/x
  3. Step 3: Cross multiply
    611,997,830.96x = 918,176,855.12 × 197,466,875.80
  4. Step 4: Simplify right side
    611,997,830.96x = 181,309,515,012,415,648
  5. Step 5: Solve for x
    x = 181,309,515,012,415,648/611,997,830.96
  6. Step 6: Final answer
    x = 296,258,427.47

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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.