Home / 1,073,736,488.89-1,481,733,130.04-621,633,521.74

Finding the Fourth Proportional to 1,073,736,488.89, 1,481,733,130.04 and 621,633,521.74

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Solution

The fourth proportional to 1,073,736,488.89, 1,481,733,130.04 and 621,633,521.74 is: 857,840,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,736,488.89 : 1,481,733,130.04 = 621,633,521.74 : x
  2. Step 2: Convert to fraction form
    1,073,736,488.89/1,481,733,130.04 = 621,633,521.74/x
  3. Step 3: Cross multiply
    1,073,736,488.89x = 1,481,733,130.04 × 621,633,521.74
  4. Step 4: Simplify right side
    1,073,736,488.89x = 921,094,983,905,598,592
  5. Step 5: Solve for x
    x = 921,094,983,905,598,592/1,073,736,488.89
  6. Step 6: Final answer
    x = 857,840,814.24

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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.