Home / 583,846,238.80-805,708,123.48-319,528,077.20

Finding the Fourth Proportional to 583,846,238.80, 805,708,123.48 and 319,528,077.20

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Solution

The fourth proportional to 583,846,238.80, 805,708,123.48 and 319,528,077.20 is: 440,948,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,846,238.80 : 805,708,123.48 = 319,528,077.20 : x
  2. Step 2: Convert to fraction form
    583,846,238.80/805,708,123.48 = 319,528,077.20/x
  3. Step 3: Cross multiply
    583,846,238.80x = 805,708,123.48 × 319,528,077.20
  4. Step 4: Simplify right side
    583,846,238.80x = 257,446,367,479,984,576
  5. Step 5: Solve for x
    x = 257,446,367,479,984,576/583,846,238.80
  6. Step 6: Final answer
    x = 440,948,918.35

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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.