Home / 28,184,530,128.64-42,248,869,887.40-13,234,934,442.40

Finding the Fourth Proportional to 28,184,530,128.64, 42,248,869,887.40 and 13,234,934,442.40

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Solution

The fourth proportional to 28,184,530,128.64, 42,248,869,887.40 and 13,234,934,442.40 is: 19,839,288,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184,530,128.64 : 42,248,869,887.40 = 13,234,934,442.40 : x
  2. Step 2: Convert to fraction form
    28,184,530,128.64/42,248,869,887.40 = 13,234,934,442.40/x
  3. Step 3: Cross multiply
    28,184,530,128.64x = 42,248,869,887.40 × 13,234,934,442.40
  4. Step 4: Simplify right side
    28,184,530,128.64x = 559,161,023,225,226,461,184
  5. Step 5: Solve for x
    x = 559,161,023,225,226,461,184/28,184,530,128.64
  6. Step 6: Final answer
    x = 19,839,288,456.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.