Home / 15,439,662,722.99-23,055,523,155.72-12,609,072,221.54

Finding the Fourth Proportional to 15,439,662,722.99, 23,055,523,155.72 and 12,609,072,221.54

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Solution

The fourth proportional to 15,439,662,722.99, 23,055,523,155.72 and 12,609,072,221.54 is: 18,828,698,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439,662,722.99 : 23,055,523,155.72 = 12,609,072,221.54 : x
  2. Step 2: Convert to fraction form
    15,439,662,722.99/23,055,523,155.72 = 12,609,072,221.54/x
  3. Step 3: Cross multiply
    15,439,662,722.99x = 23,055,523,155.72 × 12,609,072,221.54
  4. Step 4: Simplify right side
    15,439,662,722.99x = 290,708,756,575,798,263,808
  5. Step 5: Solve for x
    x = 290,708,756,575,798,263,808/15,439,662,722.99
  6. Step 6: Final answer
    x = 18,828,698,643.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.