Home / 870,911,360.93-1,201,857,148.22-479,770,784.93

Finding the Fourth Proportional to 870,911,360.93, 1,201,857,148.22 and 479,770,784.93

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Solution

The fourth proportional to 870,911,360.93, 1,201,857,148.22 and 479,770,784.93 is: 662,083,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,911,360.93 : 1,201,857,148.22 = 479,770,784.93 : x
  2. Step 2: Convert to fraction form
    870,911,360.93/1,201,857,148.22 = 479,770,784.93/x
  3. Step 3: Cross multiply
    870,911,360.93x = 1,201,857,148.22 × 479,770,784.93
  4. Step 4: Simplify right side
    870,911,360.93x = 576,615,947,366,832,640
  5. Step 5: Solve for x
    x = 576,615,947,366,832,640/870,911,360.93
  6. Step 6: Final answer
    x = 662,083,391.30

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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.