Home / 514,565,630,362.35-711,119,408,706.66-421,720,043,589.69

Finding the Fourth Proportional to 514,565,630,362.35, 711,119,408,706.66 and 421,720,043,589.69

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Solution

The fourth proportional to 514,565,630,362.35, 711,119,408,706.66 and 421,720,043,589.69 is: 582,808,664,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,565,630,362.35 : 711,119,408,706.66 = 421,720,043,589.69 : x
  2. Step 2: Convert to fraction form
    514,565,630,362.35/711,119,408,706.66 = 421,720,043,589.69/x
  3. Step 3: Cross multiply
    514,565,630,362.35x = 711,119,408,706.66 × 421,720,043,589.69
  4. Step 4: Simplify right side
    514,565,630,362.35x = 299,893,308,037,247,239,454,720
  5. Step 5: Solve for x
    x = 299,893,308,037,247,239,454,720/514,565,630,362.35
  6. Step 6: Final answer
    x = 582,808,664,904.55

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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.