Home / 373,306,196,650.67-515,157,068,832.84-208,510,120,718.20

Finding the Fourth Proportional to 373,306,196,650.67, 515,157,068,832.84 and 208,510,120,718.20

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Solution

The fourth proportional to 373,306,196,650.67, 515,157,068,832.84 and 208,510,120,718.20 is: 287,740,904,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,650.67 : 515,157,068,832.84 = 208,510,120,718.20 : x
  2. Step 2: Convert to fraction form
    373,306,196,650.67/515,157,068,832.84 = 208,510,120,718.20/x
  3. Step 3: Cross multiply
    373,306,196,650.67x = 515,157,068,832.84 × 208,510,120,718.20
  4. Step 4: Simplify right side
    373,306,196,650.67x = 107,415,462,611,169,547,649,024
  5. Step 5: Solve for x
    x = 107,415,462,611,169,547,649,024/373,306,196,650.67
  6. Step 6: Final answer
    x = 287,740,904,316.37

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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.