Home / 659,854,307.67-990,646,491.53-442,477,334.23

Finding the Fourth Proportional to 659,854,307.67, 990,646,491.53 and 442,477,334.23

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Solution

The fourth proportional to 659,854,307.67, 990,646,491.53 and 442,477,334.23 is: 664,296,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,854,307.67 : 990,646,491.53 = 442,477,334.23 : x
  2. Step 2: Convert to fraction form
    659,854,307.67/990,646,491.53 = 442,477,334.23/x
  3. Step 3: Cross multiply
    659,854,307.67x = 990,646,491.53 × 442,477,334.23
  4. Step 4: Simplify right side
    659,854,307.67x = 438,338,618,736,496,704
  5. Step 5: Solve for x
    x = 438,338,618,736,496,704/659,854,307.67
  6. Step 6: Final answer
    x = 664,296,063.00

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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.