Home / 359,547,959.79-496,035,002.32-208,814,955.33

Finding the Fourth Proportional to 359,547,959.79, 496,035,002.32 and 208,814,955.33

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Solution

The fourth proportional to 359,547,959.79, 496,035,002.32 and 208,814,955.33 is: 288,082,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,547,959.79 : 496,035,002.32 = 208,814,955.33 : x
  2. Step 2: Convert to fraction form
    359,547,959.79/496,035,002.32 = 208,814,955.33/x
  3. Step 3: Cross multiply
    359,547,959.79x = 496,035,002.32 × 208,814,955.33
  4. Step 4: Simplify right side
    359,547,959.79x = 103,579,526,851,567,248
  5. Step 5: Solve for x
    x = 103,579,526,851,567,248/359,547,959.79
  6. Step 6: Final answer
    x = 288,082,643.86

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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.