Home / 320,779,748.35-442,600,180.88-181,550,510.06

Finding the Fourth Proportional to 320,779,748.35, 442,600,180.88 and 181,550,510.06

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Solution

The fourth proportional to 320,779,748.35, 442,600,180.88 and 181,550,510.06 is: 250,496,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,779,748.35 : 442,600,180.88 = 181,550,510.06 : x
  2. Step 2: Convert to fraction form
    320,779,748.35/442,600,180.88 = 181,550,510.06/x
  3. Step 3: Cross multiply
    320,779,748.35x = 442,600,180.88 × 181,550,510.06
  4. Step 4: Simplify right side
    320,779,748.35x = 80,354,288,592,972,640
  5. Step 5: Solve for x
    x = 80,354,288,592,972,640/320,779,748.35
  6. Step 6: Final answer
    x = 250,496,762.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.