Home / 970,833,079.41-1,457,285,928.15-418,408,131.53

Finding the Fourth Proportional to 970,833,079.41, 1,457,285,928.15 and 418,408,131.53

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Solution

The fourth proportional to 970,833,079.41, 1,457,285,928.15 and 418,408,131.53 is: 628,058,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,833,079.41 : 1,457,285,928.15 = 418,408,131.53 : x
  2. Step 2: Convert to fraction form
    970,833,079.41/1,457,285,928.15 = 418,408,131.53/x
  3. Step 3: Cross multiply
    970,833,079.41x = 1,457,285,928.15 × 418,408,131.53
  4. Step 4: Simplify right side
    970,833,079.41x = 609,740,282,294,916,864
  5. Step 5: Solve for x
    x = 609,740,282,294,916,864/970,833,079.41
  6. Step 6: Final answer
    x = 628,058,824.14

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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.