Home / 25,709,316,775.20-38,563,975,162.80-7,079,687,949.60

Finding the Fourth Proportional to 25,709,316,775.20, 38,563,975,162.80 and 7,079,687,949.60

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Solution

The fourth proportional to 25,709,316,775.20, 38,563,975,162.80 and 7,079,687,949.60 is: 10,619,531,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709,316,775.20 : 38,563,975,162.80 = 7,079,687,949.60 : x
  2. Step 2: Convert to fraction form
    25,709,316,775.20/38,563,975,162.80 = 7,079,687,949.60/x
  3. Step 3: Cross multiply
    25,709,316,775.20x = 38,563,975,162.80 × 7,079,687,949.60
  4. Step 4: Simplify right side
    25,709,316,775.20x = 273,020,910,248,748,908,544
  5. Step 5: Solve for x
    x = 273,020,910,248,748,908,544/25,709,316,775.20
  6. Step 6: Final answer
    x = 10,619,531,924.40

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Double scale
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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.