Home / 657,479,911.48-907,289,913.04-360,123,476.06

Finding the Fourth Proportional to 657,479,911.48, 907,289,913.04 and 360,123,476.06

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Solution

The fourth proportional to 657,479,911.48, 907,289,913.04 and 360,123,476.06 is: 496,952,669.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,479,911.48 : 907,289,913.04 = 360,123,476.06 : x
  2. Step 2: Convert to fraction form
    657,479,911.48/907,289,913.04 = 360,123,476.06/x
  3. Step 3: Cross multiply
    657,479,911.48x = 907,289,913.04 × 360,123,476.06
  4. Step 4: Simplify right side
    657,479,911.48x = 326,736,397,279,507,840
  5. Step 5: Solve for x
    x = 326,736,397,279,507,840/657,479,911.48
  6. Step 6: Final answer
    x = 496,952,669.69

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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.