Home / 955,680,538.92-1,318,905,427.75-579,352,988.91

Finding the Fourth Proportional to 955,680,538.92, 1,318,905,427.75 and 579,352,988.91

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Solution

The fourth proportional to 955,680,538.92, 1,318,905,427.75 and 579,352,988.91 is: 799,547,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,680,538.92 : 1,318,905,427.75 = 579,352,988.91 : x
  2. Step 2: Convert to fraction form
    955,680,538.92/1,318,905,427.75 = 579,352,988.91/x
  3. Step 3: Cross multiply
    955,680,538.92x = 1,318,905,427.75 × 579,352,988.91
  4. Step 4: Simplify right side
    955,680,538.92x = 764,111,801,660,082,048
  5. Step 5: Solve for x
    x = 764,111,801,660,082,048/955,680,538.92
  6. Step 6: Final answer
    x = 799,547,307.44

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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.