Home / 853,459,623.88-1,177,963,752.84-518,861,048.47

Finding the Fourth Proportional to 853,459,623.88, 1,177,963,752.84 and 518,861,048.47

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Solution

The fourth proportional to 853,459,623.88, 1,177,963,752.84 and 518,861,048.47 is: 716,143,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,459,623.88 : 1,177,963,752.84 = 518,861,048.47 : x
  2. Step 2: Convert to fraction form
    853,459,623.88/1,177,963,752.84 = 518,861,048.47/x
  3. Step 3: Cross multiply
    853,459,623.88x = 1,177,963,752.84 × 518,861,048.47
  4. Step 4: Simplify right side
    853,459,623.88x = 611,199,507,849,734,144
  5. Step 5: Solve for x
    x = 611,199,507,849,734,144/853,459,623.88
  6. Step 6: Final answer
    x = 716,143,436.38

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1.5x scale

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.