Home / 13,206,386,307.56-18,224,957,615.27-7,184,925,943.52

Finding the Fourth Proportional to 13,206,386,307.56, 18,224,957,615.27 and 7,184,925,943.52

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Solution

The fourth proportional to 13,206,386,307.56, 18,224,957,615.27 and 7,184,925,943.52 is: 9,915,276,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,386,307.56 : 18,224,957,615.27 = 7,184,925,943.52 : x
  2. Step 2: Convert to fraction form
    13,206,386,307.56/18,224,957,615.27 = 7,184,925,943.52/x
  3. Step 3: Cross multiply
    13,206,386,307.56x = 18,224,957,615.27 × 7,184,925,943.52
  4. Step 4: Simplify right side
    13,206,386,307.56x = 130,944,970,789,378,768,896
  5. Step 5: Solve for x
    x = 130,944,970,789,378,768,896/13,206,386,307.56
  6. Step 6: Final answer
    x = 9,915,276,423.08

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.