Home / 905,365,269.20-1,358,047,903.80-851,796,016.40

Finding the Fourth Proportional to 905,365,269.20, 1,358,047,903.80 and 851,796,016.40

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Solution

The fourth proportional to 905,365,269.20, 1,358,047,903.80 and 851,796,016.40 is: 1,277,694,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,365,269.20 : 1,358,047,903.80 = 851,796,016.40 : x
  2. Step 2: Convert to fraction form
    905,365,269.20/1,358,047,903.80 = 851,796,016.40/x
  3. Step 3: Cross multiply
    905,365,269.20x = 1,358,047,903.80 × 851,796,016.40
  4. Step 4: Simplify right side
    905,365,269.20x = 1,156,779,794,537,210,368
  5. Step 5: Solve for x
    x = 1,156,779,794,537,210,368/905,365,269.20
  6. Step 6: Final answer
    x = 1,277,694,024.60

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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.