Home / 1,298,631,463.25-1,792,063,407.88-703,903,178.61

Finding the Fourth Proportional to 1,298,631,463.25, 1,792,063,407.88 and 703,903,178.61

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Solution

The fourth proportional to 1,298,631,463.25, 1,792,063,407.88 and 703,903,178.61 is: 971,360,362.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,463.25 : 1,792,063,407.88 = 703,903,178.61 : x
  2. Step 2: Convert to fraction form
    1,298,631,463.25/1,792,063,407.88 = 703,903,178.61/x
  3. Step 3: Cross multiply
    1,298,631,463.25x = 1,792,063,407.88 × 703,903,178.61
  4. Step 4: Simplify right side
    1,298,631,463.25x = 1,261,439,129,066,508,288
  5. Step 5: Solve for x
    x = 1,261,439,129,066,508,288/1,298,631,463.25
  6. Step 6: Final answer
    x = 971,360,362.63

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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.