Home / 757,511,530.32-1,046,087,885.58-716,242,774.70

Finding the Fourth Proportional to 757,511,530.32, 1,046,087,885.58 and 716,242,774.70

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Solution

The fourth proportional to 757,511,530.32, 1,046,087,885.58 and 716,242,774.70 is: 989,097,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,511,530.32 : 1,046,087,885.58 = 716,242,774.70 : x
  2. Step 2: Convert to fraction form
    757,511,530.32/1,046,087,885.58 = 716,242,774.70/x
  3. Step 3: Cross multiply
    757,511,530.32x = 1,046,087,885.58 × 716,242,774.70
  4. Step 4: Simplify right side
    757,511,530.32x = 749,252,889,747,875,456
  5. Step 5: Solve for x
    x = 749,252,889,747,875,456/757,511,530.32
  6. Step 6: Final answer
    x = 989,097,670.15

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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.