Home / 1,119,744,139.60-1,679,616,209.40-506,348,376.40

Finding the Fourth Proportional to 1,119,744,139.60, 1,679,616,209.40 and 506,348,376.40

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Solution

The fourth proportional to 1,119,744,139.60, 1,679,616,209.40 and 506,348,376.40 is: 759,522,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,139.60 : 1,679,616,209.40 = 506,348,376.40 : x
  2. Step 2: Convert to fraction form
    1,119,744,139.60/1,679,616,209.40 = 506,348,376.40/x
  3. Step 3: Cross multiply
    1,119,744,139.60x = 1,679,616,209.40 × 506,348,376.40
  4. Step 4: Simplify right side
    1,119,744,139.60x = 850,470,940,604,812,416
  5. Step 5: Solve for x
    x = 850,470,940,604,812,416/1,119,744,139.60
  6. Step 6: Final answer
    x = 759,522,564.60

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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.