Home / 709,497,999.80-1,064,246,999.70-467,434,230.20

Finding the Fourth Proportional to 709,497,999.80, 1,064,246,999.70 and 467,434,230.20

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Solution

The fourth proportional to 709,497,999.80, 1,064,246,999.70 and 467,434,230.20 is: 701,151,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,497,999.80 : 1,064,246,999.70 = 467,434,230.20 : x
  2. Step 2: Convert to fraction form
    709,497,999.80/1,064,246,999.70 = 467,434,230.20/x
  3. Step 3: Cross multiply
    709,497,999.80x = 1,064,246,999.70 × 467,434,230.20
  4. Step 4: Simplify right side
    709,497,999.80x = 497,465,477,047,429,120
  5. Step 5: Solve for x
    x = 497,465,477,047,429,120/709,497,999.80
  6. Step 6: Final answer
    x = 701,151,345.30

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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.