Home / 1,119,717,419.02-1,680,325,289.64-464,668,423.04

Finding the Fourth Proportional to 1,119,717,419.02, 1,680,325,289.64 and 464,668,423.04

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Solution

The fourth proportional to 1,119,717,419.02, 1,680,325,289.64 and 464,668,423.04 is: 697,313,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,717,419.02 : 1,680,325,289.64 = 464,668,423.04 : x
  2. Step 2: Convert to fraction form
    1,119,717,419.02/1,680,325,289.64 = 464,668,423.04/x
  3. Step 3: Cross multiply
    1,119,717,419.02x = 1,680,325,289.64 × 464,668,423.04
  4. Step 4: Simplify right side
    1,119,717,419.02x = 780,794,102,531,250,176
  5. Step 5: Solve for x
    x = 780,794,102,531,250,176/1,119,717,419.02
  6. Step 6: Final answer
    x = 697,313,526.85

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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.