Home / 955,680,539.92-1,318,905,429.13-579,352,989.91

Finding the Fourth Proportional to 955,680,539.92, 1,318,905,429.13 and 579,352,989.91

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Solution

The fourth proportional to 955,680,539.92, 1,318,905,429.13 and 579,352,989.91 is: 799,547,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,680,539.92 : 1,318,905,429.13 = 579,352,989.91 : x
  2. Step 2: Convert to fraction form
    955,680,539.92/1,318,905,429.13 = 579,352,989.91/x
  3. Step 3: Cross multiply
    955,680,539.92x = 1,318,905,429.13 × 579,352,989.91
  4. Step 4: Simplify right side
    955,680,539.92x = 764,111,803,774,997,120
  5. Step 5: Solve for x
    x = 764,111,803,774,997,120/955,680,539.92
  6. Step 6: Final answer
    x = 799,547,308.81

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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.