Home / 1,479,217,664.17-2,218,303,130.70-429,737,526.77

Finding the Fourth Proportional to 1,479,217,664.17, 2,218,303,130.70 and 429,737,526.77

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Solution

The fourth proportional to 1,479,217,664.17, 2,218,303,130.70 and 429,737,526.77 is: 644,454,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,217,664.17 : 2,218,303,130.70 = 429,737,526.77 : x
  2. Step 2: Convert to fraction form
    1,479,217,664.17/2,218,303,130.70 = 429,737,526.77/x
  3. Step 3: Cross multiply
    1,479,217,664.17x = 2,218,303,130.70 × 429,737,526.77
  4. Step 4: Simplify right side
    1,479,217,664.17x = 953,288,101,003,707,648
  5. Step 5: Solve for x
    x = 953,288,101,003,707,648/1,479,217,664.17
  6. Step 6: Final answer
    x = 644,454,243.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.