Home / 472,810,814.10-707,303,033.55-415,415,186.10

Finding the Fourth Proportional to 472,810,814.10, 707,303,033.55 and 415,415,186.10

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Solution

The fourth proportional to 472,810,814.10, 707,303,033.55 and 415,415,186.10 is: 621,441,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,810,814.10 : 707,303,033.55 = 415,415,186.10 : x
  2. Step 2: Convert to fraction form
    472,810,814.10/707,303,033.55 = 415,415,186.10/x
  3. Step 3: Cross multiply
    472,810,814.10x = 707,303,033.55 × 415,415,186.10
  4. Step 4: Simplify right side
    472,810,814.10x = 293,824,421,311,267,776
  5. Step 5: Solve for x
    x = 293,824,421,311,267,776/472,810,814.10
  6. Step 6: Final answer
    x = 621,441,837.94

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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.