Home / 694,592,799.48-958,549,293.90-381,355,889.40

Finding the Fourth Proportional to 694,592,799.48, 958,549,293.90 and 381,355,889.40

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Solution

The fourth proportional to 694,592,799.48, 958,549,293.90 and 381,355,889.40 is: 526,277,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,592,799.48 : 958,549,293.90 = 381,355,889.40 : x
  2. Step 2: Convert to fraction form
    694,592,799.48/958,549,293.90 = 381,355,889.40/x
  3. Step 3: Cross multiply
    694,592,799.48x = 958,549,293.90 × 381,355,889.40
  4. Step 4: Simplify right side
    694,592,799.48x = 365,548,418,508,976,448
  5. Step 5: Solve for x
    x = 365,548,418,508,976,448/694,592,799.48
  6. Step 6: Final answer
    x = 526,277,293.38

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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.