Home / 977,032,949.30-1,348,315,884.62-530,996,344.83

Finding the Fourth Proportional to 977,032,949.30, 1,348,315,884.62 and 530,996,344.83

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Solution

The fourth proportional to 977,032,949.30, 1,348,315,884.62 and 530,996,344.83 is: 732,780,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,032,949.30 : 1,348,315,884.62 = 530,996,344.83 : x
  2. Step 2: Convert to fraction form
    977,032,949.30/1,348,315,884.62 = 530,996,344.83/x
  3. Step 3: Cross multiply
    977,032,949.30x = 1,348,315,884.62 × 530,996,344.83
  4. Step 4: Simplify right side
    977,032,949.30x = 715,950,806,409,447,936
  5. Step 5: Solve for x
    x = 715,950,806,409,447,936/977,032,949.30
  6. Step 6: Final answer
    x = 732,780,615.97

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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.