Home / 10,428,403,825.87-14,391,470,028.74-5,670,957,944.21

Finding the Fourth Proportional to 10,428,403,825.87, 14,391,470,028.74 and 5,670,957,944.21

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Solution

The fourth proportional to 10,428,403,825.87, 14,391,470,028.74 and 5,670,957,944.21 is: 7,826,070,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,403,825.87 : 14,391,470,028.74 = 5,670,957,944.21 : x
  2. Step 2: Convert to fraction form
    10,428,403,825.87/14,391,470,028.74 = 5,670,957,944.21/x
  3. Step 3: Cross multiply
    10,428,403,825.87x = 14,391,470,028.74 × 5,670,957,944.21
  4. Step 4: Simplify right side
    10,428,403,825.87x = 81,613,421,288,242,905,088
  5. Step 5: Solve for x
    x = 81,613,421,288,242,905,088/10,428,403,825.87
  6. Step 6: Final answer
    x = 7,826,070,283.72

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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.