Home / 514,565,630,366.85-711,119,408,712.89-421,720,043,594.19

Finding the Fourth Proportional to 514,565,630,366.85, 711,119,408,712.89 and 421,720,043,594.19

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Solution

The fourth proportional to 514,565,630,366.85, 711,119,408,712.89 and 421,720,043,594.19 is: 582,808,664,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,565,630,366.85 : 711,119,408,712.89 = 421,720,043,594.19 : x
  2. Step 2: Convert to fraction form
    514,565,630,366.85/711,119,408,712.89 = 421,720,043,594.19/x
  3. Step 3: Cross multiply
    514,565,630,366.85x = 711,119,408,712.89 × 421,720,043,594.19
  4. Step 4: Simplify right side
    514,565,630,366.85x = 299,893,308,043,074,604,105,728
  5. Step 5: Solve for x
    x = 299,893,308,043,074,604,105,728/514,565,630,366.85
  6. Step 6: Final answer
    x = 582,808,664,910.77

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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.