Home / 351,371,943.85-484,610,547.47-308,894,680.59

Finding the Fourth Proportional to 351,371,943.85, 484,610,547.47 and 308,894,680.59

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Solution

The fourth proportional to 351,371,943.85, 484,610,547.47 and 308,894,680.59 is: 426,026,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,371,943.85 : 484,610,547.47 = 308,894,680.59 : x
  2. Step 2: Convert to fraction form
    351,371,943.85/484,610,547.47 = 308,894,680.59/x
  3. Step 3: Cross multiply
    351,371,943.85x = 484,610,547.47 × 308,894,680.59
  4. Step 4: Simplify right side
    351,371,943.85x = 149,693,620,271,290,688
  5. Step 5: Solve for x
    x = 149,693,620,271,290,688/351,371,943.85
  6. Step 6: Final answer
    x = 426,026,103.94

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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.