Home / 15,472,972,492.94-21,352,573,683.09-8,698,821,268.10

Finding the Fourth Proportional to 15,472,972,492.94, 21,352,573,683.09 and 8,698,821,268.10

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Solution

The fourth proportional to 15,472,972,492.94, 21,352,573,683.09 and 8,698,821,268.10 is: 12,004,301,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,972,492.94 : 21,352,573,683.09 = 8,698,821,268.10 : x
  2. Step 2: Convert to fraction form
    15,472,972,492.94/21,352,573,683.09 = 8,698,821,268.10/x
  3. Step 3: Cross multiply
    15,472,972,492.94x = 21,352,573,683.09 × 8,698,821,268.10
  4. Step 4: Simplify right side
    15,472,972,492.94x = 185,742,222,082,985,361,408
  5. Step 5: Solve for x
    x = 185,742,222,082,985,361,408/15,472,972,492.94
  6. Step 6: Final answer
    x = 12,004,301,188.26

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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.