Home / 286,724,737,995.81-395,680,177,176.22-158,266,210,854.74

Finding the Fourth Proportional to 286,724,737,995.81, 395,680,177,176.22 and 158,266,210,854.74

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Solution

The fourth proportional to 286,724,737,995.81, 395,680,177,176.22 and 158,266,210,854.74 is: 218,407,392,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,724,737,995.81 : 395,680,177,176.22 = 158,266,210,854.74 : x
  2. Step 2: Convert to fraction form
    286,724,737,995.81/395,680,177,176.22 = 158,266,210,854.74/x
  3. Step 3: Cross multiply
    286,724,737,995.81x = 395,680,177,176.22 × 158,266,210,854.74
  4. Step 4: Simplify right side
    286,724,737,995.81x = 62,622,802,352,012,506,693,632
  5. Step 5: Solve for x
    x = 62,622,802,352,012,506,693,632/286,724,737,995.81
  6. Step 6: Final answer
    x = 218,407,392,364.34

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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.