Home / 1,139,560,392.63-1,709,033,058.46-402,533,270.67

Finding the Fourth Proportional to 1,139,560,392.63, 1,709,033,058.46 and 402,533,270.67

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Solution

The fourth proportional to 1,139,560,392.63, 1,709,033,058.46 and 402,533,270.67 is: 603,691,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,560,392.63 : 1,709,033,058.46 = 402,533,270.67 : x
  2. Step 2: Convert to fraction form
    1,139,560,392.63/1,709,033,058.46 = 402,533,270.67/x
  3. Step 3: Cross multiply
    1,139,560,392.63x = 1,709,033,058.46 × 402,533,270.67
  4. Step 4: Simplify right side
    1,139,560,392.63x = 687,942,666,705,057,152
  5. Step 5: Solve for x
    x = 687,942,666,705,057,152/1,139,560,392.63
  6. Step 6: Final answer
    x = 603,691,275.30

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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.