Home / 1,269,916,438.70-1,752,425,460.96-705,437,907.14

Finding the Fourth Proportional to 1,269,916,438.70, 1,752,425,460.96 and 705,437,907.14

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Solution

The fourth proportional to 1,269,916,438.70, 1,752,425,460.96 and 705,437,907.14 is: 973,471,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,916,438.70 : 1,752,425,460.96 = 705,437,907.14 : x
  2. Step 2: Convert to fraction form
    1,269,916,438.70/1,752,425,460.96 = 705,437,907.14/x
  3. Step 3: Cross multiply
    1,269,916,438.70x = 1,752,425,460.96 × 705,437,907.14
  4. Step 4: Simplify right side
    1,269,916,438.70x = 1,236,227,349,598,472,192
  5. Step 5: Solve for x
    x = 1,236,227,349,598,472,192/1,269,916,438.70
  6. Step 6: Final answer
    x = 973,471,412.70

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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.