Home / 1,429,990,045.63-2,144,991,919.05-434,019,726.77

Finding the Fourth Proportional to 1,429,990,045.63, 2,144,991,919.05 and 434,019,726.77

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Solution

The fourth proportional to 1,429,990,045.63, 2,144,991,919.05 and 434,019,726.77 is: 651,031,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,990,045.63 : 2,144,991,919.05 = 434,019,726.77 : x
  2. Step 2: Convert to fraction form
    1,429,990,045.63/2,144,991,919.05 = 434,019,726.77/x
  3. Step 3: Cross multiply
    1,429,990,045.63x = 2,144,991,919.05 × 434,019,726.77
  4. Step 4: Simplify right side
    1,429,990,045.63x = 930,968,806,619,213,952
  5. Step 5: Solve for x
    x = 930,968,806,619,213,952/1,429,990,045.63
  6. Step 6: Final answer
    x = 651,031,669.39

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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.