Home / 1,371,182,483.45-1,892,232,100.57-835,334,128.79

Finding the Fourth Proportional to 1,371,182,483.45, 1,892,232,100.57 and 835,334,128.79

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Solution

The fourth proportional to 1,371,182,483.45, 1,892,232,100.57 and 835,334,128.79 is: 1,152,761,264.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,182,483.45 : 1,892,232,100.57 = 835,334,128.79 : x
  2. Step 2: Convert to fraction form
    1,371,182,483.45/1,892,232,100.57 = 835,334,128.79/x
  3. Step 3: Cross multiply
    1,371,182,483.45x = 1,892,232,100.57 × 835,334,128.79
  4. Step 4: Simplify right side
    1,371,182,483.45x = 1,580,646,053,198,112,512
  5. Step 5: Solve for x
    x = 1,580,646,053,198,112,512/1,371,182,483.45
  6. Step 6: Final answer
    x = 1,152,761,264.29

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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.