Home / 660,298,688.40-988,096,570.20-574,974,195.60

Finding the Fourth Proportional to 660,298,688.40, 988,096,570.20 and 574,974,195.60

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Solution

The fourth proportional to 660,298,688.40, 988,096,570.20 and 574,974,195.60 is: 860,413,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,298,688.40 : 988,096,570.20 = 574,974,195.60 : x
  2. Step 2: Convert to fraction form
    660,298,688.40/988,096,570.20 = 574,974,195.60/x
  3. Step 3: Cross multiply
    660,298,688.40x = 988,096,570.20 × 574,974,195.60
  4. Step 4: Simplify right side
    660,298,688.40x = 568,130,030,625,864,000
  5. Step 5: Solve for x
    x = 568,130,030,625,864,000/660,298,688.40
  6. Step 6: Final answer
    x = 860,413,689.45

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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.