Home / 15,472,972,493.94-21,352,573,684.47-8,698,821,269.10

Finding the Fourth Proportional to 15,472,972,493.94, 21,352,573,684.47 and 8,698,821,269.10

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Solution

The fourth proportional to 15,472,972,493.94, 21,352,573,684.47 and 8,698,821,269.10 is: 12,004,301,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,972,493.94 : 21,352,573,684.47 = 8,698,821,269.10 : x
  2. Step 2: Convert to fraction form
    15,472,972,493.94/21,352,573,684.47 = 8,698,821,269.10/x
  3. Step 3: Cross multiply
    15,472,972,493.94x = 21,352,573,684.47 × 8,698,821,269.10
  4. Step 4: Simplify right side
    15,472,972,493.94x = 185,742,222,116,492,607,488
  5. Step 5: Solve for x
    x = 185,742,222,116,492,607,488/15,472,972,493.94
  6. Step 6: Final answer
    x = 12,004,301,189.65

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1.5x scale

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.