Home / 583,846,239.80-805,708,124.86-319,528,078.20

Finding the Fourth Proportional to 583,846,239.80, 805,708,124.86 and 319,528,078.20

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Solution

The fourth proportional to 583,846,239.80, 805,708,124.86 and 319,528,078.20 is: 440,948,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,846,239.80 : 805,708,124.86 = 319,528,078.20 : x
  2. Step 2: Convert to fraction form
    583,846,239.80/805,708,124.86 = 319,528,078.20/x
  3. Step 3: Cross multiply
    583,846,239.80x = 805,708,124.86 × 319,528,078.20
  4. Step 4: Simplify right side
    583,846,239.80x = 257,446,368,726,641,440
  5. Step 5: Solve for x
    x = 257,446,368,726,641,440/583,846,239.80
  6. Step 6: Final answer
    x = 440,948,919.73

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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.