Home / 923,004,581.12-1,273,746,608.88-505,343,393.36

Finding the Fourth Proportional to 923,004,581.12, 1,273,746,608.88 and 505,343,393.36

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Solution

The fourth proportional to 923,004,581.12, 1,273,746,608.88 and 505,343,393.36 is: 697,374,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,004,581.12 : 1,273,746,608.88 = 505,343,393.36 : x
  2. Step 2: Convert to fraction form
    923,004,581.12/1,273,746,608.88 = 505,343,393.36/x
  3. Step 3: Cross multiply
    923,004,581.12x = 1,273,746,608.88 × 505,343,393.36
  4. Step 4: Simplify right side
    923,004,581.12x = 643,679,433,612,211,968
  5. Step 5: Solve for x
    x = 643,679,433,612,211,968/923,004,581.12
  6. Step 6: Final answer
    x = 697,374,039.93

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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.