Home / 359,069,666.88-538,760,039.76-192,879,254.40

Finding the Fourth Proportional to 359,069,666.88, 538,760,039.76 and 192,879,254.40

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Solution

The fourth proportional to 359,069,666.88, 538,760,039.76 and 192,879,254.40 is: 289,402,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,069,666.88 : 538,760,039.76 = 192,879,254.40 : x
  2. Step 2: Convert to fraction form
    359,069,666.88/538,760,039.76 = 192,879,254.40/x
  3. Step 3: Cross multiply
    359,069,666.88x = 538,760,039.76 × 192,879,254.40
  4. Step 4: Simplify right side
    359,069,666.88x = 103,915,634,769,423,152
  5. Step 5: Solve for x
    x = 103,915,634,769,423,152/359,069,666.88
  6. Step 6: Final answer
    x = 289,402,431.77

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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.