Home / 579,862,458.72-800,210,323.53-319,102,074.72

Finding the Fourth Proportional to 579,862,458.72, 800,210,323.53 and 319,102,074.72

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Solution

The fourth proportional to 579,862,458.72, 800,210,323.53 and 319,102,074.72 is: 440,360,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,862,458.72 : 800,210,323.53 = 319,102,074.72 : x
  2. Step 2: Convert to fraction form
    579,862,458.72/800,210,323.53 = 319,102,074.72/x
  3. Step 3: Cross multiply
    579,862,458.72x = 800,210,323.53 × 319,102,074.72
  4. Step 4: Simplify right side
    579,862,458.72x = 255,348,774,450,785,440
  5. Step 5: Solve for x
    x = 255,348,774,450,785,440/579,862,458.72
  6. Step 6: Final answer
    x = 440,360,934.93

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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.