Home / 649,996,621.58-896,997,041.16-352,638,848.36

Finding the Fourth Proportional to 649,996,621.58, 896,997,041.16 and 352,638,848.36

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Solution

The fourth proportional to 649,996,621.58, 896,997,041.16 and 352,638,848.36 is: 486,642,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,996,621.58 : 896,997,041.16 = 352,638,848.36 : x
  2. Step 2: Convert to fraction form
    649,996,621.58/896,997,041.16 = 352,638,848.36/x
  3. Step 3: Cross multiply
    649,996,621.58x = 896,997,041.16 × 352,638,848.36
  4. Step 4: Simplify right side
    649,996,621.58x = 316,316,003,576,989,888
  5. Step 5: Solve for x
    x = 316,316,003,576,989,888/649,996,621.58
  6. Step 6: Final answer
    x = 486,642,534.86

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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.