Home / 1,730,649,985.56-2,388,414,157.02-977,702,015.16

Finding the Fourth Proportional to 1,730,649,985.56, 2,388,414,157.02 and 977,702,015.16

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Solution

The fourth proportional to 1,730,649,985.56, 2,388,414,157.02 and 977,702,015.16 is: 1,349,294,978.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,649,985.56 : 2,388,414,157.02 = 977,702,015.16 : x
  2. Step 2: Convert to fraction form
    1,730,649,985.56/2,388,414,157.02 = 977,702,015.16/x
  3. Step 3: Cross multiply
    1,730,649,985.56x = 2,388,414,157.02 × 977,702,015.16
  4. Step 4: Simplify right side
    1,730,649,985.56x = 2,335,157,334,355,126,784
  5. Step 5: Solve for x
    x = 2,335,157,334,355,126,784/1,730,649,985.56
  6. Step 6: Final answer
    x = 1,349,294,978.09

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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.