Home / 12,771,363,646.80-19,157,045,470.20-10,621,455,166.80

Finding the Fourth Proportional to 12,771,363,646.80, 19,157,045,470.20 and 10,621,455,166.80

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Solution

The fourth proportional to 12,771,363,646.80, 19,157,045,470.20 and 10,621,455,166.80 is: 15,932,182,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,363,646.80 : 19,157,045,470.20 = 10,621,455,166.80 : x
  2. Step 2: Convert to fraction form
    12,771,363,646.80/19,157,045,470.20 = 10,621,455,166.80/x
  3. Step 3: Cross multiply
    12,771,363,646.80x = 19,157,045,470.20 × 10,621,455,166.80
  4. Step 4: Simplify right side
    12,771,363,646.80x = 203,475,699,590,078,332,928
  5. Step 5: Solve for x
    x = 203,475,699,590,078,332,928/12,771,363,646.80
  6. Step 6: Final answer
    x = 15,932,182,750.20

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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.