Home / 1,168,108,479.41-1,611,989,780.20-639,472,465.46

Finding the Fourth Proportional to 1,168,108,479.41, 1,611,989,780.20 and 639,472,465.46

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Solution

The fourth proportional to 1,168,108,479.41, 1,611,989,780.20 and 639,472,465.46 is: 882,472,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,108,479.41 : 1,611,989,780.20 = 639,472,465.46 : x
  2. Step 2: Convert to fraction form
    1,168,108,479.41/1,611,989,780.20 = 639,472,465.46/x
  3. Step 3: Cross multiply
    1,168,108,479.41x = 1,611,989,780.20 × 639,472,465.46
  4. Step 4: Simplify right side
    1,168,108,479.41x = 1,030,823,079,043,248,768
  5. Step 5: Solve for x
    x = 1,030,823,079,043,248,768/1,168,108,479.41
  6. Step 6: Final answer
    x = 882,472,045.38

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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.