Home / 514,565,630,355.30-711,119,408,696.95-421,720,043,582.64

Finding the Fourth Proportional to 514,565,630,355.30, 711,119,408,696.95 and 421,720,043,582.64

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Solution

The fourth proportional to 514,565,630,355.30, 711,119,408,696.95 and 421,720,043,582.64 is: 582,808,664,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,565,630,355.30 : 711,119,408,696.95 = 421,720,043,582.64 : x
  2. Step 2: Convert to fraction form
    514,565,630,355.30/711,119,408,696.95 = 421,720,043,582.64/x
  3. Step 3: Cross multiply
    514,565,630,355.30x = 711,119,408,696.95 × 421,720,043,582.64
  4. Step 4: Simplify right side
    514,565,630,355.30x = 299,893,308,028,138,922,442,752
  5. Step 5: Solve for x
    x = 299,893,308,028,138,922,442,752/514,565,630,355.30
  6. Step 6: Final answer
    x = 582,808,664,894.83

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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.