Home / 723,983,931,186.88-999,219,402,363.72-419,679,939,087.04

Finding the Fourth Proportional to 723,983,931,186.88, 999,219,402,363.72 and 419,679,939,087.04

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Solution

The fourth proportional to 723,983,931,186.88, 999,219,402,363.72 and 419,679,939,087.04 is: 579,228,792,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,983,931,186.88 : 999,219,402,363.72 = 419,679,939,087.04 : x
  2. Step 2: Convert to fraction form
    723,983,931,186.88/999,219,402,363.72 = 419,679,939,087.04/x
  3. Step 3: Cross multiply
    723,983,931,186.88x = 999,219,402,363.72 × 419,679,939,087.04
  4. Step 4: Simplify right side
    723,983,931,186.88x = 419,352,337,918,594,474,049,536
  5. Step 5: Solve for x
    x = 419,352,337,918,594,474,049,536/723,983,931,186.88
  6. Step 6: Final answer
    x = 579,228,792,041.17

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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.