Home / 20,529,728,883.48-30,807,547,199.60-8,738,828,106.42

Finding the Fourth Proportional to 20,529,728,883.48, 30,807,547,199.60 and 8,738,828,106.42

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Solution

The fourth proportional to 20,529,728,883.48, 30,807,547,199.60 and 8,738,828,106.42 is: 13,113,756,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529,728,883.48 : 30,807,547,199.60 = 8,738,828,106.42 : x
  2. Step 2: Convert to fraction form
    20,529,728,883.48/30,807,547,199.60 = 8,738,828,106.42/x
  3. Step 3: Cross multiply
    20,529,728,883.48x = 30,807,547,199.60 × 8,738,828,106.42
  4. Step 4: Simplify right side
    20,529,728,883.48x = 269,221,859,357,681,549,312
  5. Step 5: Solve for x
    x = 269,221,859,357,681,549,312/20,529,728,883.48
  6. Step 6: Final answer
    x = 13,113,756,196.47

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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.