Home / 1,657,772,487.66-2,287,714,188.32-905,085,638.55

Finding the Fourth Proportional to 1,657,772,487.66, 2,287,714,188.32 and 905,085,638.55

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Solution

The fourth proportional to 1,657,772,487.66, 2,287,714,188.32 and 905,085,638.55 is: 1,249,011,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,772,487.66 : 2,287,714,188.32 = 905,085,638.55 : x
  2. Step 2: Convert to fraction form
    1,657,772,487.66/2,287,714,188.32 = 905,085,638.55/x
  3. Step 3: Cross multiply
    1,657,772,487.66x = 2,287,714,188.32 × 905,085,638.55
  4. Step 4: Simplify right side
    1,657,772,487.66x = 2,070,577,256,945,431,296
  5. Step 5: Solve for x
    x = 2,070,577,256,945,431,296/1,657,772,487.66
  6. Step 6: Final answer
    x = 1,249,011,714.43

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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.