Home / 2,090,997,563.20-2,883,437,801.76-1,385,904,719.68

Finding the Fourth Proportional to 2,090,997,563.20, 2,883,437,801.76 and 1,385,904,719.68

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Solution

The fourth proportional to 2,090,997,563.20, 2,883,437,801.76 and 1,385,904,719.68 is: 1,911,130,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,997,563.20 : 2,883,437,801.76 = 1,385,904,719.68 : x
  2. Step 2: Convert to fraction form
    2,090,997,563.20/2,883,437,801.76 = 1,385,904,719.68/x
  3. Step 3: Cross multiply
    2,090,997,563.20x = 2,883,437,801.76 × 1,385,904,719.68
  4. Step 4: Simplify right side
    2,090,997,563.20x = 3,996,170,058,362,908,672
  5. Step 5: Solve for x
    x = 3,996,170,058,362,908,672/2,090,997,563.20
  6. Step 6: Final answer
    x = 1,911,130,901.68

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Double scale
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1.5x scale

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.