Home / 867,021,647.98-1,196,489,873.20-470,544,637.52

Finding the Fourth Proportional to 867,021,647.98, 1,196,489,873.20 and 470,544,637.52

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Solution

The fourth proportional to 867,021,647.98, 1,196,489,873.20 and 470,544,637.52 is: 649,351,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,021,647.98 : 1,196,489,873.20 = 470,544,637.52 : x
  2. Step 2: Convert to fraction form
    867,021,647.98/1,196,489,873.20 = 470,544,637.52/x
  3. Step 3: Cross multiply
    867,021,647.98x = 1,196,489,873.20 × 470,544,637.52
  4. Step 4: Simplify right side
    867,021,647.98x = 563,001,893,681,244,736
  5. Step 5: Solve for x
    x = 563,001,893,681,244,736/867,021,647.98
  6. Step 6: Final answer
    x = 649,351,599.23

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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.