Home / 347,680,512,062.70-521,520,768,094.05-291,891,961,646.70

Finding the Fourth Proportional to 347,680,512,062.70, 521,520,768,094.05 and 291,891,961,646.70

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Solution

The fourth proportional to 347,680,512,062.70, 521,520,768,094.05 and 291,891,961,646.70 is: 437,837,942,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,512,062.70 : 521,520,768,094.05 = 291,891,961,646.70 : x
  2. Step 2: Convert to fraction form
    347,680,512,062.70/521,520,768,094.05 = 291,891,961,646.70/x
  3. Step 3: Cross multiply
    347,680,512,062.70x = 521,520,768,094.05 × 291,891,961,646.70
  4. Step 4: Simplify right side
    347,680,512,062.70x = 152,227,720,038,465,979,547,648
  5. Step 5: Solve for x
    x = 152,227,720,038,465,979,547,648/347,680,512,062.70
  6. Step 6: Final answer
    x = 437,837,942,470.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.