Home / 1,420,095,345.60-2,130,143,018.40-1,420,095,345.60

Finding the Fourth Proportional to 1,420,095,345.60, 2,130,143,018.40 and 1,420,095,345.60

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Solution

The fourth proportional to 1,420,095,345.60, 2,130,143,018.40 and 1,420,095,345.60 is: 2,130,143,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,095,345.60 : 2,130,143,018.40 = 1,420,095,345.60 : x
  2. Step 2: Convert to fraction form
    1,420,095,345.60/2,130,143,018.40 = 1,420,095,345.60/x
  3. Step 3: Cross multiply
    1,420,095,345.60x = 2,130,143,018.40 × 1,420,095,345.60
  4. Step 4: Simplify right side
    1,420,095,345.60x = 3,025,006,185,892,174,848
  5. Step 5: Solve for x
    x = 3,025,006,185,892,174,848/1,420,095,345.60
  6. Step 6: Final answer
    x = 2,130,143,018.40

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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.