Home / 626,883,791.03-865,048,209.91-369,054,488.67

Finding the Fourth Proportional to 626,883,791.03, 865,048,209.91 and 369,054,488.67

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Solution

The fourth proportional to 626,883,791.03, 865,048,209.91 and 369,054,488.67 is: 509,264,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,883,791.03 : 865,048,209.91 = 369,054,488.67 : x
  2. Step 2: Convert to fraction form
    626,883,791.03/865,048,209.91 = 369,054,488.67/x
  3. Step 3: Cross multiply
    626,883,791.03x = 865,048,209.91 × 369,054,488.67
  4. Step 4: Simplify right side
    626,883,791.03x = 319,249,924,783,233,856
  5. Step 5: Solve for x
    x = 319,249,924,783,233,856/626,883,791.03
  6. Step 6: Final answer
    x = 509,264,921.75

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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.