Home / 1,310,536,123.71-1,965,811,534.08-437,135,094.15

Finding the Fourth Proportional to 1,310,536,123.71, 1,965,811,534.08 and 437,135,094.15

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Solution

The fourth proportional to 1,310,536,123.71, 1,965,811,534.08 and 437,135,094.15 is: 655,705,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,536,123.71 : 1,965,811,534.08 = 437,135,094.15 : x
  2. Step 2: Convert to fraction form
    1,310,536,123.71/1,965,811,534.08 = 437,135,094.15/x
  3. Step 3: Cross multiply
    1,310,536,123.71x = 1,965,811,534.08 × 437,135,094.15
  4. Step 4: Simplify right side
    1,310,536,123.71x = 859,325,210,031,216,640
  5. Step 5: Solve for x
    x = 859,325,210,031,216,640/1,310,536,123.71
  6. Step 6: Final answer
    x = 655,705,092.35

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Double scale
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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.