Home / 514,565,630,364.60-711,119,408,709.78-421,720,043,591.94

Finding the Fourth Proportional to 514,565,630,364.60, 711,119,408,709.78 and 421,720,043,591.94

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Solution

The fourth proportional to 514,565,630,364.60, 711,119,408,709.78 and 421,720,043,591.94 is: 582,808,664,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,565,630,364.60 : 711,119,408,709.78 = 421,720,043,591.94 : x
  2. Step 2: Convert to fraction form
    514,565,630,364.60/711,119,408,709.78 = 421,720,043,591.94/x
  3. Step 3: Cross multiply
    514,565,630,364.60x = 711,119,408,709.78 × 421,720,043,591.94
  4. Step 4: Simplify right side
    514,565,630,364.60x = 299,893,308,040,163,018,932,224
  5. Step 5: Solve for x
    x = 299,893,308,040,163,018,932,224/514,565,630,364.60
  6. Step 6: Final answer
    x = 582,808,664,907.66

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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.