Home / 57,113,520,329.36-78,733,590,393.48-39,912,970,926.80

Finding the Fourth Proportional to 57,113,520,329.36, 78,733,590,393.48 and 39,912,970,926.80

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Solution

The fourth proportional to 57,113,520,329.36, 78,733,590,393.48 and 39,912,970,926.80 is: 55,021,849,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,113,520,329.36 : 78,733,590,393.48 = 39,912,970,926.80 : x
  2. Step 2: Convert to fraction form
    57,113,520,329.36/78,733,590,393.48 = 39,912,970,926.80/x
  3. Step 3: Cross multiply
    57,113,520,329.36x = 78,733,590,393.48 × 39,912,970,926.80
  4. Step 4: Simplify right side
    57,113,520,329.36x = 3,142,491,504,337,547,165,696
  5. Step 5: Solve for x
    x = 3,142,491,504,337,547,165,696/57,113,520,329.36
  6. Step 6: Final answer
    x = 55,021,849,226.16

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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.