Home / 373,306,196,648.10-515,157,068,829.30-208,510,120,715.60

Finding the Fourth Proportional to 373,306,196,648.10, 515,157,068,829.30 and 208,510,120,715.60

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Solution

The fourth proportional to 373,306,196,648.10, 515,157,068,829.30 and 208,510,120,715.60 is: 287,740,904,312.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,648.10 : 515,157,068,829.30 = 208,510,120,715.60 : x
  2. Step 2: Convert to fraction form
    373,306,196,648.10/515,157,068,829.30 = 208,510,120,715.60/x
  3. Step 3: Cross multiply
    373,306,196,648.10x = 515,157,068,829.30 × 208,510,120,715.60
  4. Step 4: Simplify right side
    373,306,196,648.10x = 107,415,462,609,092,008,214,528
  5. Step 5: Solve for x
    x = 107,415,462,609,092,008,214,528/373,306,196,648.10
  6. Step 6: Final answer
    x = 287,740,904,312.79

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1.5x scale

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.