Home / 910,686,852.48-1,256,747,591.52-492,998,831.04

Finding the Fourth Proportional to 910,686,852.48, 1,256,747,591.52 and 492,998,831.04

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Solution

The fourth proportional to 910,686,852.48, 1,256,747,591.52 and 492,998,831.04 is: 680,338,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,686,852.48 : 1,256,747,591.52 = 492,998,831.04 : x
  2. Step 2: Convert to fraction form
    910,686,852.48/1,256,747,591.52 = 492,998,831.04/x
  3. Step 3: Cross multiply
    910,686,852.48x = 1,256,747,591.52 × 492,998,831.04
  4. Step 4: Simplify right side
    910,686,852.48x = 619,575,093,531,695,488
  5. Step 5: Solve for x
    x = 619,575,093,531,695,488/910,686,852.48
  6. Step 6: Final answer
    x = 680,338,243.43

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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.