Home / 854,620,886.40-1,281,931,329.60-797,289,993.60

Finding the Fourth Proportional to 854,620,886.40, 1,281,931,329.60 and 797,289,993.60

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Solution

The fourth proportional to 854,620,886.40, 1,281,931,329.60 and 797,289,993.60 is: 1,195,934,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,620,886.40 : 1,281,931,329.60 = 797,289,993.60 : x
  2. Step 2: Convert to fraction form
    854,620,886.40/1,281,931,329.60 = 797,289,993.60/x
  3. Step 3: Cross multiply
    854,620,886.40x = 1,281,931,329.60 × 797,289,993.60
  4. Step 4: Simplify right side
    854,620,886.40x = 1,022,071,021,572,423,424
  5. Step 5: Solve for x
    x = 1,022,071,021,572,423,424/854,620,886.40
  6. Step 6: Final answer
    x = 1,195,934,990.40

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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.