Home / 1,690,013,530.60-2,531,996,987.10-1,430,008,973.80

Finding the Fourth Proportional to 1,690,013,530.60, 2,531,996,987.10 and 1,430,008,973.80

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Solution

The fourth proportional to 1,690,013,530.60, 2,531,996,987.10 and 1,430,008,973.80 is: 2,142,455,280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,013,530.60 : 2,531,996,987.10 = 1,430,008,973.80 : x
  2. Step 2: Convert to fraction form
    1,690,013,530.60/2,531,996,987.10 = 1,430,008,973.80/x
  3. Step 3: Cross multiply
    1,690,013,530.60x = 2,531,996,987.10 × 1,430,008,973.80
  4. Step 4: Simplify right side
    1,690,013,530.60x = 3,620,778,413,187,562,496
  5. Step 5: Solve for x
    x = 3,620,778,413,187,562,496/1,690,013,530.60
  6. Step 6: Final answer
    x = 2,142,455,280.76

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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.