Home / 1,180,251,055.74-1,628,889,279.35-671,737,406.66

Finding the Fourth Proportional to 1,180,251,055.74, 1,628,889,279.35 and 671,737,406.66

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Solution

The fourth proportional to 1,180,251,055.74, 1,628,889,279.35 and 671,737,406.66 is: 927,078,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,251,055.74 : 1,628,889,279.35 = 671,737,406.66 : x
  2. Step 2: Convert to fraction form
    1,180,251,055.74/1,628,889,279.35 = 671,737,406.66/x
  3. Step 3: Cross multiply
    1,180,251,055.74x = 1,628,889,279.35 × 671,737,406.66
  4. Step 4: Simplify right side
    1,180,251,055.74x = 1,094,185,860,235,342,080
  5. Step 5: Solve for x
    x = 1,094,185,860,235,342,080/1,180,251,055.74
  6. Step 6: Final answer
    x = 927,078,908.27

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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.