Home / 1,340,640,417-1,850,054,785.34-776,149,101.22

Finding the Fourth Proportional to 1,340,640,417, 1,850,054,785.34 and 776,149,101.22

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Solution

The fourth proportional to 1,340,640,417, 1,850,054,785.34 and 776,149,101.22 is: 1,071,068,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,640,417 : 1,850,054,785.34 = 776,149,101.22 : x
  2. Step 2: Convert to fraction form
    1,340,640,417/1,850,054,785.34 = 776,149,101.22/x
  3. Step 3: Cross multiply
    1,340,640,417x = 1,850,054,785.34 × 776,149,101.22
  4. Step 4: Simplify right side
    1,340,640,417x = 1,435,918,358,849,401,088
  5. Step 5: Solve for x
    x = 1,435,918,358,849,401,088/1,340,640,417
  6. Step 6: Final answer
    x = 1,071,068,976.17

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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.