Home / 992,478,233.58-1,488,939,374.61-302,439,492.78

Finding the Fourth Proportional to 992,478,233.58, 1,488,939,374.61 and 302,439,492.78

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Solution

The fourth proportional to 992,478,233.58, 1,488,939,374.61 and 302,439,492.78 is: 453,726,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,478,233.58 : 1,488,939,374.61 = 302,439,492.78 : x
  2. Step 2: Convert to fraction form
    992,478,233.58/1,488,939,374.61 = 302,439,492.78/x
  3. Step 3: Cross multiply
    992,478,233.58x = 1,488,939,374.61 × 302,439,492.78
  4. Step 4: Simplify right side
    992,478,233.58x = 450,314,069,237,218,752
  5. Step 5: Solve for x
    x = 450,314,069,237,218,752/992,478,233.58
  6. Step 6: Final answer
    x = 453,726,896.97

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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.