Home / 1,314,063,298.38-1,813,407,205.14-711,233,818.50

Finding the Fourth Proportional to 1,314,063,298.38, 1,813,407,205.14 and 711,233,818.50

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Solution

The fourth proportional to 1,314,063,298.38, 1,813,407,205.14 and 711,233,818.50 is: 981,502,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,063,298.38 : 1,813,407,205.14 = 711,233,818.50 : x
  2. Step 2: Convert to fraction form
    1,314,063,298.38/1,813,407,205.14 = 711,233,818.50/x
  3. Step 3: Cross multiply
    1,314,063,298.38x = 1,813,407,205.14 × 711,233,818.50
  4. Step 4: Simplify right side
    1,314,063,298.38x = 1,289,756,531,007,134,976
  5. Step 5: Solve for x
    x = 1,289,756,531,007,134,976/1,314,063,298.38
  6. Step 6: Final answer
    x = 981,502,590.17

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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.