Home / 1,201,179,714.78-1,657,645,118.08-692,532,365.06

Finding the Fourth Proportional to 1,201,179,714.78, 1,657,645,118.08 and 692,532,365.06

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Solution

The fourth proportional to 1,201,179,714.78, 1,657,645,118.08 and 692,532,365.06 is: 955,704,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,179,714.78 : 1,657,645,118.08 = 692,532,365.06 : x
  2. Step 2: Convert to fraction form
    1,201,179,714.78/1,657,645,118.08 = 692,532,365.06/x
  3. Step 3: Cross multiply
    1,201,179,714.78x = 1,657,645,118.08 × 692,532,365.06
  4. Step 4: Simplify right side
    1,201,179,714.78x = 1,147,972,894,054,105,216
  5. Step 5: Solve for x
    x = 1,147,972,894,054,105,216/1,201,179,714.78
  6. Step 6: Final answer
    x = 955,704,529.41

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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.