Home / 2,219,648,821.02-3,328,478,108.15-1,322,678,632.28

Finding the Fourth Proportional to 2,219,648,821.02, 3,328,478,108.15 and 1,322,678,632.28

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Solution

The fourth proportional to 2,219,648,821.02, 3,328,478,108.15 and 1,322,678,632.28 is: 1,983,424,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,648,821.02 : 3,328,478,108.15 = 1,322,678,632.28 : x
  2. Step 2: Convert to fraction form
    2,219,648,821.02/3,328,478,108.15 = 1,322,678,632.28/x
  3. Step 3: Cross multiply
    2,219,648,821.02x = 3,328,478,108.15 × 1,322,678,632.28
  4. Step 4: Simplify right side
    2,219,648,821.02x = 4,402,506,871,638,508,544
  5. Step 5: Solve for x
    x = 4,402,506,871,638,508,544/2,219,648,821.02
  6. Step 6: Final answer
    x = 1,983,424,958.92

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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.