Home / 882,543,327.72-1,217,995,818.10-659,137,151.58

Finding the Fourth Proportional to 882,543,327.72, 1,217,995,818.10 and 659,137,151.58

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Solution

The fourth proportional to 882,543,327.72, 1,217,995,818.10 and 659,137,151.58 is: 909,673,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,543,327.72 : 1,217,995,818.10 = 659,137,151.58 : x
  2. Step 2: Convert to fraction form
    882,543,327.72/1,217,995,818.10 = 659,137,151.58/x
  3. Step 3: Cross multiply
    882,543,327.72x = 1,217,995,818.10 × 659,137,151.58
  4. Step 4: Simplify right side
    882,543,327.72x = 802,826,294,178,785,792
  5. Step 5: Solve for x
    x = 802,826,294,178,785,792/882,543,327.72
  6. Step 6: Final answer
    x = 909,673,518.53

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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.