Home / 891,168,492.77-1,229,940,409.04-533,950,376.57

Finding the Fourth Proportional to 891,168,492.77, 1,229,940,409.04 and 533,950,376.57

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Solution

The fourth proportional to 891,168,492.77, 1,229,940,409.04 and 533,950,376.57 is: 736,928,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,168,492.77 : 1,229,940,409.04 = 533,950,376.57 : x
  2. Step 2: Convert to fraction form
    891,168,492.77/1,229,940,409.04 = 533,950,376.57/x
  3. Step 3: Cross multiply
    891,168,492.77x = 1,229,940,409.04 × 533,950,376.57
  4. Step 4: Simplify right side
    891,168,492.77x = 656,727,144,565,567,744
  5. Step 5: Solve for x
    x = 656,727,144,565,567,744/891,168,492.77
  6. Step 6: Final answer
    x = 736,928,145.34

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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.