Home / 690,092,032,619.84-1,035,249,279,837.30-212,561,108,658.98

Finding the Fourth Proportional to 690,092,032,619.84, 1,035,249,279,837.30 and 212,561,108,658.98

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Solution

The fourth proportional to 690,092,032,619.84, 1,035,249,279,837.30 and 212,561,108,658.98 is: 318,875,924,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,092,032,619.84 : 1,035,249,279,837.30 = 212,561,108,658.98 : x
  2. Step 2: Convert to fraction form
    690,092,032,619.84/1,035,249,279,837.30 = 212,561,108,658.98/x
  3. Step 3: Cross multiply
    690,092,032,619.84x = 1,035,249,279,837.30 × 212,561,108,658.98
  4. Step 4: Simplify right side
    690,092,032,619.84x = 220,053,734,660,627,134,152,704
  5. Step 5: Solve for x
    x = 220,053,734,660,627,134,152,704/690,092,032,619.84
  6. Step 6: Final answer
    x = 318,875,924,165.11

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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.