Home / 646,607,102.77-970,523,848.14-400,218,433.48

Finding the Fourth Proportional to 646,607,102.77, 970,523,848.14 and 400,218,433.48

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Solution

The fourth proportional to 646,607,102.77, 970,523,848.14 and 400,218,433.48 is: 600,707,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,607,102.77 : 970,523,848.14 = 400,218,433.48 : x
  2. Step 2: Convert to fraction form
    646,607,102.77/970,523,848.14 = 400,218,433.48/x
  3. Step 3: Cross multiply
    646,607,102.77x = 970,523,848.14 × 400,218,433.48
  4. Step 4: Simplify right side
    646,607,102.77x = 388,421,534,157,572,224
  5. Step 5: Solve for x
    x = 388,421,534,157,572,224/646,607,102.77
  6. Step 6: Final answer
    x = 600,707,187.55

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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.