Home / 354,294,579.60-531,441,869.40-302,638,514.40

Finding the Fourth Proportional to 354,294,579.60, 531,441,869.40 and 302,638,514.40

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Solution

The fourth proportional to 354,294,579.60, 531,441,869.40 and 302,638,514.40 is: 453,957,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,579.60 : 531,441,869.40 = 302,638,514.40 : x
  2. Step 2: Convert to fraction form
    354,294,579.60/531,441,869.40 = 302,638,514.40/x
  3. Step 3: Cross multiply
    354,294,579.60x = 531,441,869.40 × 302,638,514.40
  4. Step 4: Simplify right side
    354,294,579.60x = 160,834,777,845,174,784
  5. Step 5: Solve for x
    x = 160,834,777,845,174,784/354,294,579.60
  6. Step 6: Final answer
    x = 453,957,771.60

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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.