Home / 3,395,143,423.55-4,685,298,149.81-1,889,737,467.76

Finding the Fourth Proportional to 3,395,143,423.55, 4,685,298,149.81 and 1,889,737,467.76

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Solution

The fourth proportional to 3,395,143,423.55, 4,685,298,149.81 and 1,889,737,467.76 is: 2,607,837,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395,143,423.55 : 4,685,298,149.81 = 1,889,737,467.76 : x
  2. Step 2: Convert to fraction form
    3,395,143,423.55/4,685,298,149.81 = 1,889,737,467.76/x
  3. Step 3: Cross multiply
    3,395,143,423.55x = 4,685,298,149.81 × 1,889,737,467.76
  4. Step 4: Simplify right side
    3,395,143,423.55x = 8,853,983,461,326,385,152
  5. Step 5: Solve for x
    x = 8,853,983,461,326,385,152/3,395,143,423.55
  6. Step 6: Final answer
    x = 2,607,837,830.92

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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.