Home / 1,079,349,681.80-1,489,503,059.06-584,312,390.12

Finding the Fourth Proportional to 1,079,349,681.80, 1,489,503,059.06 and 584,312,390.12

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Solution

The fourth proportional to 1,079,349,681.80, 1,489,503,059.06 and 584,312,390.12 is: 806,351,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,349,681.80 : 1,489,503,059.06 = 584,312,390.12 : x
  2. Step 2: Convert to fraction form
    1,079,349,681.80/1,489,503,059.06 = 584,312,390.12/x
  3. Step 3: Cross multiply
    1,079,349,681.80x = 1,489,503,059.06 × 584,312,390.12
  4. Step 4: Simplify right side
    1,079,349,681.80x = 870,335,092,530,400,128
  5. Step 5: Solve for x
    x = 870,335,092,530,400,128/1,079,349,681.80
  6. Step 6: Final answer
    x = 806,351,368.06

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Double scale
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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.