Home / 916,186,738.05-1,264,300,468.02-519,701,216.13

Finding the Fourth Proportional to 916,186,738.05, 1,264,300,468.02 and 519,701,216.13

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Solution

The fourth proportional to 916,186,738.05, 1,264,300,468.02 and 519,701,216.13 is: 717,166,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,186,738.05 : 1,264,300,468.02 = 519,701,216.13 : x
  2. Step 2: Convert to fraction form
    916,186,738.05/1,264,300,468.02 = 519,701,216.13/x
  3. Step 3: Cross multiply
    916,186,738.05x = 1,264,300,468.02 × 519,701,216.13
  4. Step 4: Simplify right side
    916,186,738.05x = 657,058,490,783,722,112
  5. Step 5: Solve for x
    x = 657,058,490,783,722,112/916,186,738.05
  6. Step 6: Final answer
    x = 717,166,559.50

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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.