Home / 668,216,924.42-918,868,575.93-579,957,220.64

Finding the Fourth Proportional to 668,216,924.42, 918,868,575.93 and 579,957,220.64

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Solution

The fourth proportional to 668,216,924.42, 918,868,575.93 and 579,957,220.64 is: 797,502,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,216,924.42 : 918,868,575.93 = 579,957,220.64 : x
  2. Step 2: Convert to fraction form
    668,216,924.42/918,868,575.93 = 579,957,220.64/x
  3. Step 3: Cross multiply
    668,216,924.42x = 918,868,575.93 × 579,957,220.64
  4. Step 4: Simplify right side
    668,216,924.42x = 532,904,465,425,203,200
  5. Step 5: Solve for x
    x = 532,904,465,425,203,200/668,216,924.42
  6. Step 6: Final answer
    x = 797,502,197.20

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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.