Home / 1,910,190,775.23-2,865,870,922.91-978,173,526.24

Finding the Fourth Proportional to 1,910,190,775.23, 2,865,870,922.91 and 978,173,526.24

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Solution

The fourth proportional to 1,910,190,775.23, 2,865,870,922.91 and 978,173,526.24 is: 1,467,559,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,190,775.23 : 2,865,870,922.91 = 978,173,526.24 : x
  2. Step 2: Convert to fraction form
    1,910,190,775.23/2,865,870,922.91 = 978,173,526.24/x
  3. Step 3: Cross multiply
    1,910,190,775.23x = 2,865,870,922.91 × 978,173,526.24
  4. Step 4: Simplify right side
    1,910,190,775.23x = 2,803,319,066,406,667,264
  5. Step 5: Solve for x
    x = 2,803,319,066,406,667,264/1,910,190,775.23
  6. Step 6: Final answer
    x = 1,467,559,734.22

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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.