Home / 4,428,872,861.40-6,643,309,292.10-2,587,677,802.20

Finding the Fourth Proportional to 4,428,872,861.40, 6,643,309,292.10 and 2,587,677,802.20

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Solution

The fourth proportional to 4,428,872,861.40, 6,643,309,292.10 and 2,587,677,802.20 is: 3,881,516,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,872,861.40 : 6,643,309,292.10 = 2,587,677,802.20 : x
  2. Step 2: Convert to fraction form
    4,428,872,861.40/6,643,309,292.10 = 2,587,677,802.20/x
  3. Step 3: Cross multiply
    4,428,872,861.40x = 6,643,309,292.10 × 2,587,677,802.20
  4. Step 4: Simplify right side
    4,428,872,861.40x = 17,190,743,988,316,166,144
  5. Step 5: Solve for x
    x = 17,190,743,988,316,166,144/4,428,872,861.40
  6. Step 6: Final answer
    x = 3,881,516,703.30

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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.