Home / 910,655,442.54-1,365,778,722.45-418,896,420.30

Finding the Fourth Proportional to 910,655,442.54, 1,365,778,722.45 and 418,896,420.30

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Solution

The fourth proportional to 910,655,442.54, 1,365,778,722.45 and 418,896,420.30 is: 628,250,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,655,442.54 : 1,365,778,722.45 = 418,896,420.30 : x
  2. Step 2: Convert to fraction form
    910,655,442.54/1,365,778,722.45 = 418,896,420.30/x
  3. Step 3: Cross multiply
    910,655,442.54x = 1,365,778,722.45 × 418,896,420.30
  4. Step 4: Simplify right side
    910,655,442.54x = 572,119,817,756,212,288
  5. Step 5: Solve for x
    x = 572,119,817,756,212,288/910,655,442.54
  6. Step 6: Final answer
    x = 628,250,588.57

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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.