Home / 485,768,894.29-728,655,465.81-153,777,525.14

Finding the Fourth Proportional to 485,768,894.29, 728,655,465.81 and 153,777,525.14

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Solution

The fourth proportional to 485,768,894.29, 728,655,465.81 and 153,777,525.14 is: 230,666,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,768,894.29 : 728,655,465.81 = 153,777,525.14 : x
  2. Step 2: Convert to fraction form
    485,768,894.29/728,655,465.81 = 153,777,525.14/x
  3. Step 3: Cross multiply
    485,768,894.29x = 728,655,465.81 × 153,777,525.14
  4. Step 4: Simplify right side
    485,768,894.29x = 112,050,834,210,174,032
  5. Step 5: Solve for x
    x = 112,050,834,210,174,032/485,768,894.29
  6. Step 6: Final answer
    x = 230,666,960.21

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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.