Home / 685,803,206.00-946,434,438.89-384,394,088.63

Finding the Fourth Proportional to 685,803,206.00, 946,434,438.89 and 384,394,088.63

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Solution

The fourth proportional to 685,803,206.00, 946,434,438.89 and 384,394,088.63 is: 530,478,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,803,206.00 : 946,434,438.89 = 384,394,088.63 : x
  2. Step 2: Convert to fraction form
    685,803,206.00/946,434,438.89 = 384,394,088.63/x
  3. Step 3: Cross multiply
    685,803,206.00x = 946,434,438.89 × 384,394,088.63
  4. Step 4: Simplify right side
    685,803,206.00x = 363,803,803,583,244,992
  5. Step 5: Solve for x
    x = 363,803,803,583,244,992/685,803,206.00
  6. Step 6: Final answer
    x = 530,478,423.55

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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.