Home / 874,425,073.82-1,311,867,666.63-314,243,495.47

Finding the Fourth Proportional to 874,425,073.82, 1,311,867,666.63 and 314,243,495.47

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Solution

The fourth proportional to 874,425,073.82, 1,311,867,666.63 and 314,243,495.47 is: 471,447,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,425,073.82 : 1,311,867,666.63 = 314,243,495.47 : x
  2. Step 2: Convert to fraction form
    874,425,073.82/1,311,867,666.63 = 314,243,495.47/x
  3. Step 3: Cross multiply
    874,425,073.82x = 1,311,867,666.63 × 314,243,495.47
  4. Step 4: Simplify right side
    874,425,073.82x = 412,245,881,152,604,224
  5. Step 5: Solve for x
    x = 412,245,881,152,604,224/874,425,073.82
  6. Step 6: Final answer
    x = 471,447,918.75

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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.