Home / 488,535,828.30-732,803,742.45-258,953,316.30

Finding the Fourth Proportional to 488,535,828.30, 732,803,742.45 and 258,953,316.30

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Solution

The fourth proportional to 488,535,828.30, 732,803,742.45 and 258,953,316.30 is: 388,429,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,828.30 : 732,803,742.45 = 258,953,316.30 : x
  2. Step 2: Convert to fraction form
    488,535,828.30/732,803,742.45 = 258,953,316.30/x
  3. Step 3: Cross multiply
    488,535,828.30x = 732,803,742.45 × 258,953,316.30
  4. Step 4: Simplify right side
    488,535,828.30x = 189,761,959,304,478,624
  5. Step 5: Solve for x
    x = 189,761,959,304,478,624/488,535,828.30
  6. Step 6: Final answer
    x = 388,429,974.45

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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.