Home / 359,831,688.69-496,482,320.25-218,700,445.26

Finding the Fourth Proportional to 359,831,688.69, 496,482,320.25 and 218,700,445.26

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Solution

The fourth proportional to 359,831,688.69, 496,482,320.25 and 218,700,445.26 is: 301,754,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,831,688.69 : 496,482,320.25 = 218,700,445.26 : x
  2. Step 2: Convert to fraction form
    359,831,688.69/496,482,320.25 = 218,700,445.26/x
  3. Step 3: Cross multiply
    359,831,688.69x = 496,482,320.25 × 218,700,445.26
  4. Step 4: Simplify right side
    359,831,688.69x = 108,580,904,502,392,912
  5. Step 5: Solve for x
    x = 108,580,904,502,392,912/359,831,688.69
  6. Step 6: Final answer
    x = 301,754,703.42

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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.