Home / 992,478,239.67-1,488,939,383.75-302,439,498.87

Finding the Fourth Proportional to 992,478,239.67, 1,488,939,383.75 and 302,439,498.87

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Solution

The fourth proportional to 992,478,239.67, 1,488,939,383.75 and 302,439,498.87 is: 453,726,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,478,239.67 : 1,488,939,383.75 = 302,439,498.87 : x
  2. Step 2: Convert to fraction form
    992,478,239.67/1,488,939,383.75 = 302,439,498.87/x
  3. Step 3: Cross multiply
    992,478,239.67x = 1,488,939,383.75 × 302,439,498.87
  4. Step 4: Simplify right side
    992,478,239.67x = 450,314,081,074,921,600
  5. Step 5: Solve for x
    x = 450,314,081,074,921,600/992,478,239.67
  6. Step 6: Final answer
    x = 453,726,906.12

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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.