Home / 1,119,753,402.60-1,679,630,103.90-506,357,639.40

Finding the Fourth Proportional to 1,119,753,402.60, 1,679,630,103.90 and 506,357,639.40

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Solution

The fourth proportional to 1,119,753,402.60, 1,679,630,103.90 and 506,357,639.40 is: 759,536,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,402.60 : 1,679,630,103.90 = 506,357,639.40 : x
  2. Step 2: Convert to fraction form
    1,119,753,402.60/1,679,630,103.90 = 506,357,639.40/x
  3. Step 3: Cross multiply
    1,119,753,402.60x = 1,679,630,103.90 × 506,357,639.40
  4. Step 4: Simplify right side
    1,119,753,402.60x = 850,493,534,475,980,800
  5. Step 5: Solve for x
    x = 850,493,534,475,980,800/1,119,753,402.60
  6. Step 6: Final answer
    x = 759,536,459.10

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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.