Home / 767,088,378.78-1,150,654,006.08-249,518,821.20

Finding the Fourth Proportional to 767,088,378.78, 1,150,654,006.08 and 249,518,821.20

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Solution

The fourth proportional to 767,088,378.78, 1,150,654,006.08 and 249,518,821.20 is: 374,285,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,088,378.78 : 1,150,654,006.08 = 249,518,821.20 : x
  2. Step 2: Convert to fraction form
    767,088,378.78/1,150,654,006.08 = 249,518,821.20/x
  3. Step 3: Cross multiply
    767,088,378.78x = 1,150,654,006.08 × 249,518,821.20
  4. Step 4: Simplify right side
    767,088,378.78x = 287,109,831,206,139,200
  5. Step 5: Solve for x
    x = 287,109,831,206,139,200/767,088,378.78
  6. Step 6: Final answer
    x = 374,285,205.13

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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.