Home / 977,587,723.80-1,468,082,196.90-518,422,699.80

Finding the Fourth Proportional to 977,587,723.80, 1,468,082,196.90 and 518,422,699.80

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Solution

The fourth proportional to 977,587,723.80, 1,468,082,196.90 and 518,422,699.80 is: 778,535,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,587,723.80 : 1,468,082,196.90 = 518,422,699.80 : x
  2. Step 2: Convert to fraction form
    977,587,723.80/1,468,082,196.90 = 518,422,699.80/x
  3. Step 3: Cross multiply
    977,587,723.80x = 1,468,082,196.90 × 518,422,699.80
  4. Step 4: Simplify right side
    977,587,723.80x = 761,087,136,045,213,312
  5. Step 5: Solve for x
    x = 761,087,136,045,213,312/977,587,723.80
  6. Step 6: Final answer
    x = 778,535,897.61

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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.