Home / 927,343,682.88-1,279,764,973.08-509,670,772.80

Finding the Fourth Proportional to 927,343,682.88, 1,279,764,973.08 and 509,670,772.80

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Solution

The fourth proportional to 927,343,682.88, 1,279,764,973.08 and 509,670,772.80 is: 703,362,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,343,682.88 : 1,279,764,973.08 = 509,670,772.80 : x
  2. Step 2: Convert to fraction form
    927,343,682.88/1,279,764,973.08 = 509,670,772.80/x
  3. Step 3: Cross multiply
    927,343,682.88x = 1,279,764,973.08 × 509,670,772.80
  4. Step 4: Simplify right side
    927,343,682.88x = 652,258,802,832,054,784
  5. Step 5: Solve for x
    x = 652,258,802,832,054,784/927,343,682.88
  6. Step 6: Final answer
    x = 703,362,534.16

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Double scale
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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.