Home / 882,501,154.07-1,217,983,992.75-670,459,054.37

Finding the Fourth Proportional to 882,501,154.07, 1,217,983,992.75 and 670,459,054.37

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Solution

The fourth proportional to 882,501,154.07, 1,217,983,992.75 and 670,459,054.37 is: 925,334,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,501,154.07 : 1,217,983,992.75 = 670,459,054.37 : x
  2. Step 2: Convert to fraction form
    882,501,154.07/1,217,983,992.75 = 670,459,054.37/x
  3. Step 3: Cross multiply
    882,501,154.07x = 1,217,983,992.75 × 670,459,054.37
  4. Step 4: Simplify right side
    882,501,154.07x = 816,608,396,010,872,064
  5. Step 5: Solve for x
    x = 816,608,396,010,872,064/882,501,154.07
  6. Step 6: Final answer
    x = 925,334,082.85

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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.