Home / 2,219,648,840.02-3,328,478,136.60-1,322,678,651.32

Finding the Fourth Proportional to 2,219,648,840.02, 3,328,478,136.60 and 1,322,678,651.32

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Solution

The fourth proportional to 2,219,648,840.02, 3,328,478,136.60 and 1,322,678,651.32 is: 1,983,424,987.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,648,840.02 : 3,328,478,136.60 = 1,322,678,651.32 : x
  2. Step 2: Convert to fraction form
    2,219,648,840.02/3,328,478,136.60 = 1,322,678,651.32/x
  3. Step 3: Cross multiply
    2,219,648,840.02x = 3,328,478,136.60 × 1,322,678,651.32
  4. Step 4: Simplify right side
    2,219,648,840.02x = 4,402,506,972,666,194,432
  5. Step 5: Solve for x
    x = 4,402,506,972,666,194,432/2,219,648,840.02
  6. Step 6: Final answer
    x = 1,983,424,987.45

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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.