Home / 927,528,849.54-1,279,975,466.52-509,832,159.48

Finding the Fourth Proportional to 927,528,849.54, 1,279,975,466.52 and 509,832,159.48

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Solution

The fourth proportional to 927,528,849.54, 1,279,975,466.52 and 509,832,159.48 is: 703,560,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,528,849.54 : 1,279,975,466.52 = 509,832,159.48 : x
  2. Step 2: Convert to fraction form
    927,528,849.54/1,279,975,466.52 = 509,832,159.48/x
  3. Step 3: Cross multiply
    927,528,849.54x = 1,279,975,466.52 × 509,832,159.48
  4. Step 4: Simplify right side
    927,528,849.54x = 652,572,656,177,312,000
  5. Step 5: Solve for x
    x = 652,572,656,177,312,000/927,528,849.54
  6. Step 6: Final answer
    x = 703,560,494.64

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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.