Home / 1,371,320,417.30-1,892,358,838.13-776,609,157.38

Finding the Fourth Proportional to 1,371,320,417.30, 1,892,358,838.13 and 776,609,157.38

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Solution

The fourth proportional to 1,371,320,417.30, 1,892,358,838.13 and 776,609,157.38 is: 1,071,684,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,320,417.30 : 1,892,358,838.13 = 776,609,157.38 : x
  2. Step 2: Convert to fraction form
    1,371,320,417.30/1,892,358,838.13 = 776,609,157.38/x
  3. Step 3: Cross multiply
    1,371,320,417.30x = 1,892,358,838.13 × 776,609,157.38
  4. Step 4: Simplify right side
    1,371,320,417.30x = 1,469,623,202,727,390,208
  5. Step 5: Solve for x
    x = 1,469,623,202,727,390,208/1,371,320,417.30
  6. Step 6: Final answer
    x = 1,071,684,767.61

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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.