Home / 56,654,540,812.72-78,184,354,559.75-30,934,840,498.75

Finding the Fourth Proportional to 56,654,540,812.72, 78,184,354,559.75 and 30,934,840,498.75

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Solution

The fourth proportional to 56,654,540,812.72, 78,184,354,559.75 and 30,934,840,498.75 is: 42,690,674,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,654,540,812.72 : 78,184,354,559.75 = 30,934,840,498.75 : x
  2. Step 2: Convert to fraction form
    56,654,540,812.72/78,184,354,559.75 = 30,934,840,498.75/x
  3. Step 3: Cross multiply
    56,654,540,812.72x = 78,184,354,559.75 × 30,934,840,498.75
  4. Step 4: Simplify right side
    56,654,540,812.72x = 2,418,620,537,803,583,782,912
  5. Step 5: Solve for x
    x = 2,418,620,537,803,583,782,912/56,654,540,812.72
  6. Step 6: Final answer
    x = 42,690,674,094.40

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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.