Home / 755,470,521.54-1,042,553,455.37-438,118,925.72

Finding the Fourth Proportional to 755,470,521.54, 1,042,553,455.37 and 438,118,925.72

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Solution

The fourth proportional to 755,470,521.54, 1,042,553,455.37 and 438,118,925.72 is: 604,606,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,470,521.54 : 1,042,553,455.37 = 438,118,925.72 : x
  2. Step 2: Convert to fraction form
    755,470,521.54/1,042,553,455.37 = 438,118,925.72/x
  3. Step 3: Cross multiply
    755,470,521.54x = 1,042,553,455.37 × 438,118,925.72
  4. Step 4: Simplify right side
    755,470,521.54x = 456,762,399,864,974,976
  5. Step 5: Solve for x
    x = 456,762,399,864,974,976/755,470,521.54
  6. Step 6: Final answer
    x = 604,606,515.86

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1.5x scale

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.