Home / 1,200,762,094.74-1,657,068,611.31-691,843,543.11

Finding the Fourth Proportional to 1,200,762,094.74, 1,657,068,611.31 and 691,843,543.11

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Solution

The fourth proportional to 1,200,762,094.74, 1,657,068,611.31 and 691,843,543.11 is: 954,753,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,762,094.74 : 1,657,068,611.31 = 691,843,543.11 : x
  2. Step 2: Convert to fraction form
    1,200,762,094.74/1,657,068,611.31 = 691,843,543.11/x
  3. Step 3: Cross multiply
    1,200,762,094.74x = 1,657,068,611.31 × 691,843,543.11
  4. Step 4: Simplify right side
    1,200,762,094.74x = 1,146,432,219,225,077,760
  5. Step 5: Solve for x
    x = 1,146,432,219,225,077,760/1,200,762,094.74
  6. Step 6: Final answer
    x = 954,753,838.62

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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.