Home / 19,907,453,345.60-29,861,180,018.40-15,521,640,046.40

Finding the Fourth Proportional to 19,907,453,345.60, 29,861,180,018.40 and 15,521,640,046.40

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Solution

The fourth proportional to 19,907,453,345.60, 29,861,180,018.40 and 15,521,640,046.40 is: 23,282,460,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907,453,345.60 : 29,861,180,018.40 = 15,521,640,046.40 : x
  2. Step 2: Convert to fraction form
    19,907,453,345.60/29,861,180,018.40 = 15,521,640,046.40/x
  3. Step 3: Cross multiply
    19,907,453,345.60x = 29,861,180,018.40 × 15,521,640,046.40
  4. Step 4: Simplify right side
    19,907,453,345.60x = 463,494,487,606,356,934,656
  5. Step 5: Solve for x
    x = 463,494,487,606,356,934,656/19,907,453,345.60
  6. Step 6: Final answer
    x = 23,282,460,069.60

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1.5x scale

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.