Home / 690,092,032,617.55-1,035,249,279,833.90-212,561,108,656.74

Finding the Fourth Proportional to 690,092,032,617.55, 1,035,249,279,833.90 and 212,561,108,656.74

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Solution

The fourth proportional to 690,092,032,617.55, 1,035,249,279,833.90 and 212,561,108,656.74 is: 318,875,924,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,092,032,617.55 : 1,035,249,279,833.90 = 212,561,108,656.74 : x
  2. Step 2: Convert to fraction form
    690,092,032,617.55/1,035,249,279,833.90 = 212,561,108,656.74/x
  3. Step 3: Cross multiply
    690,092,032,617.55x = 1,035,249,279,833.90 × 212,561,108,656.74
  4. Step 4: Simplify right side
    690,092,032,617.55x = 220,053,734,657,585,458,446,336
  5. Step 5: Solve for x
    x = 220,053,734,657,585,458,446,336/690,092,032,617.55
  6. Step 6: Final answer
    x = 318,875,924,161.76

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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.