Home / 5,425,781,012.70-8,138,671,519.05-2,670,790,868.70

Finding the Fourth Proportional to 5,425,781,012.70, 8,138,671,519.05 and 2,670,790,868.70

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Solution

The fourth proportional to 5,425,781,012.70, 8,138,671,519.05 and 2,670,790,868.70 is: 4,006,186,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,781,012.70 : 8,138,671,519.05 = 2,670,790,868.70 : x
  2. Step 2: Convert to fraction form
    5,425,781,012.70/8,138,671,519.05 = 2,670,790,868.70/x
  3. Step 3: Cross multiply
    5,425,781,012.70x = 8,138,671,519.05 × 2,670,790,868.70
  4. Step 4: Simplify right side
    5,425,781,012.70x = 21,736,689,576,427,495,424
  5. Step 5: Solve for x
    x = 21,736,689,576,427,495,424/5,425,781,012.70
  6. Step 6: Final answer
    x = 4,006,186,303.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.