Home / 488,535,942.30-732,803,913.45-258,953,430.30

Finding the Fourth Proportional to 488,535,942.30, 732,803,913.45 and 258,953,430.30

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Solution

The fourth proportional to 488,535,942.30, 732,803,913.45 and 258,953,430.30 is: 388,430,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,942.30 : 732,803,913.45 = 258,953,430.30 : x
  2. Step 2: Convert to fraction form
    488,535,942.30/732,803,913.45 = 258,953,430.30/x
  3. Step 3: Cross multiply
    488,535,942.30x = 732,803,913.45 × 258,953,430.30
  4. Step 4: Simplify right side
    488,535,942.30x = 189,762,087,125,141,824
  5. Step 5: Solve for x
    x = 189,762,087,125,141,824/488,535,942.30
  6. Step 6: Final answer
    x = 388,430,145.45

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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.