Home / 1,225,281,706.48-1,690,899,546-668,367,230.32

Finding the Fourth Proportional to 1,225,281,706.48, 1,690,899,546 and 668,367,230.32

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Solution

The fourth proportional to 1,225,281,706.48, 1,690,899,546 and 668,367,230.32 is: 922,352,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,281,706.48 : 1,690,899,546 = 668,367,230.32 : x
  2. Step 2: Convert to fraction form
    1,225,281,706.48/1,690,899,546 = 668,367,230.32/x
  3. Step 3: Cross multiply
    1,225,281,706.48x = 1,690,899,546 × 668,367,230.32
  4. Step 4: Simplify right side
    1,225,281,706.48x = 1,130,141,846,309,365,504
  5. Step 5: Solve for x
    x = 1,130,141,846,309,365,504/1,225,281,706.48
  6. Step 6: Final answer
    x = 922,352,664.15

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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.