Home / 1,225,168,424.16-1,690,875,363.94-696,611,606.94

Finding the Fourth Proportional to 1,225,168,424.16, 1,690,875,363.94 and 696,611,606.94

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Solution

The fourth proportional to 1,225,168,424.16, 1,690,875,363.94 and 696,611,606.94 is: 961,405,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,168,424.16 : 1,690,875,363.94 = 696,611,606.94 : x
  2. Step 2: Convert to fraction form
    1,225,168,424.16/1,690,875,363.94 = 696,611,606.94/x
  3. Step 3: Cross multiply
    1,225,168,424.16x = 1,690,875,363.94 × 696,611,606.94
  4. Step 4: Simplify right side
    1,225,168,424.16x = 1,177,883,404,409,500,928
  5. Step 5: Solve for x
    x = 1,177,883,404,409,500,928/1,225,168,424.16
  6. Step 6: Final answer
    x = 961,405,290.23

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Double scale
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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.