Home / 19,907,453,338.10-29,861,180,007.15-15,521,640,038.90

Finding the Fourth Proportional to 19,907,453,338.10, 29,861,180,007.15 and 15,521,640,038.90

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Solution

The fourth proportional to 19,907,453,338.10, 29,861,180,007.15 and 15,521,640,038.90 is: 23,282,460,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907,453,338.10 : 29,861,180,007.15 = 15,521,640,038.90 : x
  2. Step 2: Convert to fraction form
    19,907,453,338.10/29,861,180,007.15 = 15,521,640,038.90/x
  3. Step 3: Cross multiply
    19,907,453,338.10x = 29,861,180,007.15 × 15,521,640,038.90
  4. Step 4: Simplify right side
    19,907,453,338.10x = 463,494,487,207,779,631,104
  5. Step 5: Solve for x
    x = 463,494,487,207,779,631,104/19,907,453,338.10
  6. Step 6: Final answer
    x = 23,282,460,058.35

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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.