Home / 1,439,638,334.10-2,159,457,501.15-1,273,191,012.90

Finding the Fourth Proportional to 1,439,638,334.10, 2,159,457,501.15 and 1,273,191,012.90

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Solution

The fourth proportional to 1,439,638,334.10, 2,159,457,501.15 and 1,273,191,012.90 is: 1,909,786,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,638,334.10 : 2,159,457,501.15 = 1,273,191,012.90 : x
  2. Step 2: Convert to fraction form
    1,439,638,334.10/2,159,457,501.15 = 1,273,191,012.90/x
  3. Step 3: Cross multiply
    1,439,638,334.10x = 2,159,457,501.15 × 1,273,191,012.90
  4. Step 4: Simplify right side
    1,439,638,334.10x = 2,749,401,883,203,671,552
  5. Step 5: Solve for x
    x = 2,749,401,883,203,671,552/1,439,638,334.10
  6. Step 6: Final answer
    x = 1,909,786,519.35

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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.