Home / 488,535,977.80-732,803,966.70-258,953,465.80

Finding the Fourth Proportional to 488,535,977.80, 732,803,966.70 and 258,953,465.80

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Solution

The fourth proportional to 488,535,977.80, 732,803,966.70 and 258,953,465.80 is: 388,430,198.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,977.80 : 732,803,966.70 = 258,953,465.80 : x
  2. Step 2: Convert to fraction form
    488,535,977.80/732,803,966.70 = 258,953,465.80/x
  3. Step 3: Cross multiply
    488,535,977.80x = 732,803,966.70 × 258,953,465.80
  4. Step 4: Simplify right side
    488,535,977.80x = 189,762,126,928,952,800
  5. Step 5: Solve for x
    x = 189,762,126,928,952,800/488,535,977.80
  6. Step 6: Final answer
    x = 388,430,198.70

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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.