Home / 958,797,516.96-1,323,140,552.64-518,764,368.96

Finding the Fourth Proportional to 958,797,516.96, 1,323,140,552.64 and 518,764,368.96

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Solution

The fourth proportional to 958,797,516.96, 1,323,140,552.64 and 518,764,368.96 is: 715,894,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,797,516.96 : 1,323,140,552.64 = 518,764,368.96 : x
  2. Step 2: Convert to fraction form
    958,797,516.96/1,323,140,552.64 = 518,764,368.96/x
  3. Step 3: Cross multiply
    958,797,516.96x = 1,323,140,552.64 × 518,764,368.96
  4. Step 4: Simplify right side
    958,797,516.96x = 686,398,173,835,675,264
  5. Step 5: Solve for x
    x = 686,398,173,835,675,264/958,797,516.96
  6. Step 6: Final answer
    x = 715,894,817.93

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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.