Home / 980,294,531.20-1,470,441,796.80-973,492,086.40

Finding the Fourth Proportional to 980,294,531.20, 1,470,441,796.80 and 973,492,086.40

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Solution

The fourth proportional to 980,294,531.20, 1,470,441,796.80 and 973,492,086.40 is: 1,460,238,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,294,531.20 : 1,470,441,796.80 = 973,492,086.40 : x
  2. Step 2: Convert to fraction form
    980,294,531.20/1,470,441,796.80 = 973,492,086.40/x
  3. Step 3: Cross multiply
    980,294,531.20x = 1,470,441,796.80 × 973,492,086.40
  4. Step 4: Simplify right side
    980,294,531.20x = 1,431,463,452,696,596,736
  5. Step 5: Solve for x
    x = 1,431,463,452,696,596,736/980,294,531.20
  6. Step 6: Final answer
    x = 1,460,238,129.60

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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.