Home / 4,428,686,138.90-6,643,985,802.15-1,323,582,664.10

Finding the Fourth Proportional to 4,428,686,138.90, 6,643,985,802.15 and 1,323,582,664.10

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Solution

The fourth proportional to 4,428,686,138.90, 6,643,985,802.15 and 1,323,582,664.10 is: 1,985,659,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,686,138.90 : 6,643,985,802.15 = 1,323,582,664.10 : x
  2. Step 2: Convert to fraction form
    4,428,686,138.90/6,643,985,802.15 = 1,323,582,664.10/x
  3. Step 3: Cross multiply
    4,428,686,138.90x = 6,643,985,802.15 × 1,323,582,664.10
  4. Step 4: Simplify right side
    4,428,686,138.90x = 8,793,864,428,252,271,616
  5. Step 5: Solve for x
    x = 8,793,864,428,252,271,616/4,428,686,138.90
  6. Step 6: Final answer
    x = 1,985,659,889.29

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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.