Home / 511,289,351.70-766,934,027.55-354,833,121.30

Finding the Fourth Proportional to 511,289,351.70, 766,934,027.55 and 354,833,121.30

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Solution

The fourth proportional to 511,289,351.70, 766,934,027.55 and 354,833,121.30 is: 532,249,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,289,351.70 : 766,934,027.55 = 354,833,121.30 : x
  2. Step 2: Convert to fraction form
    511,289,351.70/766,934,027.55 = 354,833,121.30/x
  3. Step 3: Cross multiply
    511,289,351.70x = 766,934,027.55 × 354,833,121.30
  4. Step 4: Simplify right side
    511,289,351.70x = 272,133,594,826,746,688
  5. Step 5: Solve for x
    x = 272,133,594,826,746,688/511,289,351.70
  6. Step 6: Final answer
    x = 532,249,681.95

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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.