Home / 487,749,729.77-673,095,125.21-264,731,457.36

Finding the Fourth Proportional to 487,749,729.77, 673,095,125.21 and 264,731,457.36

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Solution

The fourth proportional to 487,749,729.77, 673,095,125.21 and 264,731,457.36 is: 365,329,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,749,729.77 : 673,095,125.21 = 264,731,457.36 : x
  2. Step 2: Convert to fraction form
    487,749,729.77/673,095,125.21 = 264,731,457.36/x
  3. Step 3: Cross multiply
    487,749,729.77x = 673,095,125.21 × 264,731,457.36
  4. Step 4: Simplify right side
    487,749,729.77x = 178,189,453,437,431,328
  5. Step 5: Solve for x
    x = 178,189,453,437,431,328/487,749,729.77
  6. Step 6: Final answer
    x = 365,329,681.52

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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.