Home / 8,989,854,163-12,406,025,287.28-4,975,803,231.08

Finding the Fourth Proportional to 8,989,854,163, 12,406,025,287.28 and 4,975,803,231.08

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Solution

The fourth proportional to 8,989,854,163, 12,406,025,287.28 and 4,975,803,231.08 is: 6,866,623,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,854,163 : 12,406,025,287.28 = 4,975,803,231.08 : x
  2. Step 2: Convert to fraction form
    8,989,854,163/12,406,025,287.28 = 4,975,803,231.08/x
  3. Step 3: Cross multiply
    8,989,854,163x = 12,406,025,287.28 × 4,975,803,231.08
  4. Step 4: Simplify right side
    8,989,854,163x = 61,729,940,709,308,014,592
  5. Step 5: Solve for x
    x = 61,729,940,709,308,014,592/8,989,854,163
  6. Step 6: Final answer
    x = 6,866,623,149.84

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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.