Home / 355,695,492.38-490,859,779.48-192,904,068.38

Finding the Fourth Proportional to 355,695,492.38, 490,859,779.48 and 192,904,068.38

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Solution

The fourth proportional to 355,695,492.38, 490,859,779.48 and 192,904,068.38 is: 266,207,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,695,492.38 : 490,859,779.48 = 192,904,068.38 : x
  2. Step 2: Convert to fraction form
    355,695,492.38/490,859,779.48 = 192,904,068.38/x
  3. Step 3: Cross multiply
    355,695,492.38x = 490,859,779.48 × 192,904,068.38
  4. Step 4: Simplify right side
    355,695,492.38x = 94,688,848,462,865,088
  5. Step 5: Solve for x
    x = 94,688,848,462,865,088/355,695,492.38
  6. Step 6: Final answer
    x = 266,207,614.36

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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.