Home / 373,306,196,646.60-515,157,068,827.15-208,510,120,714.10

Finding the Fourth Proportional to 373,306,196,646.60, 515,157,068,827.15 and 208,510,120,714.10

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Solution

The fourth proportional to 373,306,196,646.60, 515,157,068,827.15 and 208,510,120,714.10 is: 287,740,904,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,306,196,646.60 : 515,157,068,827.15 = 208,510,120,714.10 : x
  2. Step 2: Convert to fraction form
    373,306,196,646.60/515,157,068,827.15 = 208,510,120,714.10/x
  3. Step 3: Cross multiply
    373,306,196,646.60x = 515,157,068,827.15 × 208,510,120,714.10
  4. Step 4: Simplify right side
    373,306,196,646.60x = 107,415,462,607,870,979,211,264
  5. Step 5: Solve for x
    x = 107,415,462,607,870,979,211,264/373,306,196,646.60
  6. Step 6: Final answer
    x = 287,740,904,310.67

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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.