Home / 854,620,210.90-1,281,930,316.35-797,289,318.10

Finding the Fourth Proportional to 854,620,210.90, 1,281,930,316.35 and 797,289,318.10

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Solution

The fourth proportional to 854,620,210.90, 1,281,930,316.35 and 797,289,318.10 is: 1,195,933,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,620,210.90 : 1,281,930,316.35 = 797,289,318.10 : x
  2. Step 2: Convert to fraction form
    854,620,210.90/1,281,930,316.35 = 797,289,318.10/x
  3. Step 3: Cross multiply
    854,620,210.90x = 1,281,930,316.35 × 797,289,318.10
  4. Step 4: Simplify right side
    854,620,210.90x = 1,022,069,347,774,408,704
  5. Step 5: Solve for x
    x = 1,022,069,347,774,408,704/854,620,210.90
  6. Step 6: Final answer
    x = 1,195,933,977.15

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1.5x scale

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.