Home / 455,545,681.92-684,408,643.56-292,103,658.36

Finding the Fourth Proportional to 455,545,681.92, 684,408,643.56 and 292,103,658.36

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Solution

The fourth proportional to 455,545,681.92, 684,408,643.56 and 292,103,658.36 is: 438,854,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,545,681.92 : 684,408,643.56 = 292,103,658.36 : x
  2. Step 2: Convert to fraction form
    455,545,681.92/684,408,643.56 = 292,103,658.36/x
  3. Step 3: Cross multiply
    455,545,681.92x = 684,408,643.56 × 292,103,658.36
  4. Step 4: Simplify right side
    455,545,681.92x = 199,918,268,597,081,248
  5. Step 5: Solve for x
    x = 199,918,268,597,081,248/455,545,681.92
  6. Step 6: Final answer
    x = 438,854,491.51

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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.