Home / 915,038,648.98-1,263,361,441.23-702,967,782.53

Finding the Fourth Proportional to 915,038,648.98, 1,263,361,441.23 and 702,967,782.53

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Solution

The fourth proportional to 915,038,648.98, 1,263,361,441.23 and 702,967,782.53 is: 970,562,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,038,648.98 : 1,263,361,441.23 = 702,967,782.53 : x
  2. Step 2: Convert to fraction form
    915,038,648.98/1,263,361,441.23 = 702,967,782.53/x
  3. Step 3: Cross multiply
    915,038,648.98x = 1,263,361,441.23 × 702,967,782.53
  4. Step 4: Simplify right side
    915,038,648.98x = 888,102,390,878,516,480
  5. Step 5: Solve for x
    x = 888,102,390,878,516,480/915,038,648.98
  6. Step 6: Final answer
    x = 970,562,709.97

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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.