Home / 488,535,946.80-732,803,920.20-258,953,434.80

Finding the Fourth Proportional to 488,535,946.80, 732,803,920.20 and 258,953,434.80

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Solution

The fourth proportional to 488,535,946.80, 732,803,920.20 and 258,953,434.80 is: 388,430,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,946.80 : 732,803,920.20 = 258,953,434.80 : x
  2. Step 2: Convert to fraction form
    488,535,946.80/732,803,920.20 = 258,953,434.80/x
  3. Step 3: Cross multiply
    488,535,946.80x = 732,803,920.20 × 258,953,434.80
  4. Step 4: Simplify right side
    488,535,946.80x = 189,762,092,170,695,136
  5. Step 5: Solve for x
    x = 189,762,092,170,695,136/488,535,946.80
  6. Step 6: Final answer
    x = 388,430,152.20

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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.