Home / 1,389,886,526.12-2,084,908,580.51-444,567,645.72

Finding the Fourth Proportional to 1,389,886,526.12, 2,084,908,580.51 and 444,567,645.72

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Solution

The fourth proportional to 1,389,886,526.12, 2,084,908,580.51 and 444,567,645.72 is: 666,876,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,886,526.12 : 2,084,908,580.51 = 444,567,645.72 : x
  2. Step 2: Convert to fraction form
    1,389,886,526.12/2,084,908,580.51 = 444,567,645.72/x
  3. Step 3: Cross multiply
    1,389,886,526.12x = 2,084,908,580.51 × 444,567,645.72
  4. Step 4: Simplify right side
    1,389,886,526.12x = 926,882,899,176,535,040
  5. Step 5: Solve for x
    x = 926,882,899,176,535,040/1,389,886,526.12
  6. Step 6: Final answer
    x = 666,876,670.69

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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.