Home / 2,889,231,345.40-4,333,847,018.10-2,153,484,887.80

Finding the Fourth Proportional to 2,889,231,345.40, 4,333,847,018.10 and 2,153,484,887.80

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Solution

The fourth proportional to 2,889,231,345.40, 4,333,847,018.10 and 2,153,484,887.80 is: 3,230,227,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,231,345.40 : 4,333,847,018.10 = 2,153,484,887.80 : x
  2. Step 2: Convert to fraction form
    2,889,231,345.40/4,333,847,018.10 = 2,153,484,887.80/x
  3. Step 3: Cross multiply
    2,889,231,345.40x = 4,333,847,018.10 × 2,153,484,887.80
  4. Step 4: Simplify right side
    2,889,231,345.40x = 9,332,874,059,515,445,248
  5. Step 5: Solve for x
    x = 9,332,874,059,515,445,248/2,889,231,345.40
  6. Step 6: Final answer
    x = 3,230,227,331.70

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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.