Home / 867,071,817.53-1,196,560,293.11-470,594,813.20

Finding the Fourth Proportional to 867,071,817.53, 1,196,560,293.11 and 470,594,813.20

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Solution

The fourth proportional to 867,071,817.53, 1,196,560,293.11 and 470,594,813.20 is: 649,421,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,071,817.53 : 1,196,560,293.11 = 470,594,813.20 : x
  2. Step 2: Convert to fraction form
    867,071,817.53/1,196,560,293.11 = 470,594,813.20/x
  3. Step 3: Cross multiply
    867,071,817.53x = 1,196,560,293.11 × 470,594,813.20
  4. Step 4: Simplify right side
    867,071,817.53x = 563,095,067,612,654,848
  5. Step 5: Solve for x
    x = 563,095,067,612,654,848/867,071,817.53
  6. Step 6: Final answer
    x = 649,421,485.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.