Home / 1,345,141,388.80-2,017,712,083.20-977,809,369.60

Finding the Fourth Proportional to 1,345,141,388.80, 2,017,712,083.20 and 977,809,369.60

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Solution

The fourth proportional to 1,345,141,388.80, 2,017,712,083.20 and 977,809,369.60 is: 1,466,714,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,141,388.80 : 2,017,712,083.20 = 977,809,369.60 : x
  2. Step 2: Convert to fraction form
    1,345,141,388.80/2,017,712,083.20 = 977,809,369.60/x
  3. Step 3: Cross multiply
    1,345,141,388.80x = 2,017,712,083.20 × 977,809,369.60
  4. Step 4: Simplify right side
    1,345,141,388.80x = 1,972,937,780,108,094,720
  5. Step 5: Solve for x
    x = 1,972,937,780,108,094,720/1,345,141,388.80
  6. Step 6: Final answer
    x = 1,466,714,054.40

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1.5x scale

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.