Home / 1,018,380,568,438.70-1,405,366,578,186-555,408,726,267.40

Finding the Fourth Proportional to 1,018,380,568,438.70, 1,405,366,578,186 and 555,408,726,267.40

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Solution

The fourth proportional to 1,018,380,568,438.70, 1,405,366,578,186 and 555,408,726,267.40 is: 766,464,802,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,380,568,438.70 : 1,405,366,578,186 = 555,408,726,267.40 : x
  2. Step 2: Convert to fraction form
    1,018,380,568,438.70/1,405,366,578,186 = 555,408,726,267.40/x
  3. Step 3: Cross multiply
    1,018,380,568,438.70x = 1,405,366,578,186 × 555,408,726,267.40
  4. Step 4: Simplify right side
    1,018,380,568,438.70x = 780,552,861,129,060,701,437,952
  5. Step 5: Solve for x
    x = 780,552,861,129,060,701,437,952/1,018,380,568,438.70
  6. Step 6: Final answer
    x = 766,464,802,373.19

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Double scale
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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.