Home / 508,877,135.60-763,315,703.40-347,633,999.60

Finding the Fourth Proportional to 508,877,135.60, 763,315,703.40 and 347,633,999.60

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Solution

The fourth proportional to 508,877,135.60, 763,315,703.40 and 347,633,999.60 is: 521,450,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,877,135.60 : 763,315,703.40 = 347,633,999.60 : x
  2. Step 2: Convert to fraction form
    508,877,135.60/763,315,703.40 = 347,633,999.60/x
  3. Step 3: Cross multiply
    508,877,135.60x = 763,315,703.40 × 347,633,999.60
  4. Step 4: Simplify right side
    508,877,135.60x = 265,354,490,930,429,344
  5. Step 5: Solve for x
    x = 265,354,490,930,429,344/508,877,135.60
  6. Step 6: Final answer
    x = 521,450,999.40

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1.5x scale

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.