Home / 6,399,098,613.18-8,830,400,888.70-3,579,161,728.86

Finding the Fourth Proportional to 6,399,098,613.18, 8,830,400,888.70 and 3,579,161,728.86

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Solution

The fourth proportional to 6,399,098,613.18, 8,830,400,888.70 and 3,579,161,728.86 is: 4,939,044,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,098,613.18 : 8,830,400,888.70 = 3,579,161,728.86 : x
  2. Step 2: Convert to fraction form
    6,399,098,613.18/8,830,400,888.70 = 3,579,161,728.86/x
  3. Step 3: Cross multiply
    6,399,098,613.18x = 8,830,400,888.70 × 3,579,161,728.86
  4. Step 4: Simplify right side
    6,399,098,613.18x = 31,605,432,911,326,375,936
  5. Step 5: Solve for x
    x = 31,605,432,911,326,375,936/6,399,098,613.18
  6. Step 6: Final answer
    x = 4,939,044,515.77

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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.