Home / 3,984,905,081,785.20-5,499,174,316,003.20-2,157,942,168,454.40

Finding the Fourth Proportional to 3,984,905,081,785.20, 5,499,174,316,003.20 and 2,157,942,168,454.40

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Solution

The fourth proportional to 3,984,905,081,785.20, 5,499,174,316,003.20 and 2,157,942,168,454.40 is: 2,977,963,064,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,905,081,785.20 : 5,499,174,316,003.20 = 2,157,942,168,454.40 : x
  2. Step 2: Convert to fraction form
    3,984,905,081,785.20/5,499,174,316,003.20 = 2,157,942,168,454.40/x
  3. Step 3: Cross multiply
    3,984,905,081,785.20x = 5,499,174,316,003.20 × 2,157,942,168,454.40
  4. Step 4: Simplify right side
    3,984,905,081,785.20x = 11,866,900,148,184,686,771,830,784
  5. Step 5: Solve for x
    x = 11,866,900,148,184,686,771,830,784/3,984,905,081,785.20
  6. Step 6: Final answer
    x = 2,977,963,064,271.64

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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.