Home / 80,779,032,001.80-121,168,548,002.70-36,699,189,697.80

Finding the Fourth Proportional to 80,779,032,001.80, 121,168,548,002.70 and 36,699,189,697.80

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Solution

The fourth proportional to 80,779,032,001.80, 121,168,548,002.70 and 36,699,189,697.80 is: 55,048,784,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779,032,001.80 : 121,168,548,002.70 = 36,699,189,697.80 : x
  2. Step 2: Convert to fraction form
    80,779,032,001.80/121,168,548,002.70 = 36,699,189,697.80/x
  3. Step 3: Cross multiply
    80,779,032,001.80x = 121,168,548,002.70 × 36,699,189,697.80
  4. Step 4: Simplify right side
    80,779,032,001.80x = 4,446,787,528,558,072,823,808
  5. Step 5: Solve for x
    x = 4,446,787,528,558,072,823,808/80,779,032,001.80
  6. Step 6: Final answer
    x = 55,048,784,546.70

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1.5x scale

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.