Home / 757,511,533.32-1,046,087,889.72-716,242,777.70

Finding the Fourth Proportional to 757,511,533.32, 1,046,087,889.72 and 716,242,777.70

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Solution

The fourth proportional to 757,511,533.32, 1,046,087,889.72 and 716,242,777.70 is: 989,097,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,511,533.32 : 1,046,087,889.72 = 716,242,777.70 : x
  2. Step 2: Convert to fraction form
    757,511,533.32/1,046,087,889.72 = 716,242,777.70/x
  3. Step 3: Cross multiply
    757,511,533.32x = 1,046,087,889.72 × 716,242,777.70
  4. Step 4: Simplify right side
    757,511,533.32x = 749,252,895,851,384,192
  5. Step 5: Solve for x
    x = 749,252,895,851,384,192/757,511,533.32
  6. Step 6: Final answer
    x = 989,097,674.29

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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.