Home / 1,429,990,038.88-2,144,991,908.93-434,019,720.02

Finding the Fourth Proportional to 1,429,990,038.88, 2,144,991,908.93 and 434,019,720.02

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Solution

The fourth proportional to 1,429,990,038.88, 2,144,991,908.93 and 434,019,720.02 is: 651,031,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,990,038.88 : 2,144,991,908.93 = 434,019,720.02 : x
  2. Step 2: Convert to fraction form
    1,429,990,038.88/2,144,991,908.93 = 434,019,720.02/x
  3. Step 3: Cross multiply
    1,429,990,038.88x = 2,144,991,908.93 × 434,019,720.02
  4. Step 4: Simplify right side
    1,429,990,038.88x = 930,968,787,746,068,864
  5. Step 5: Solve for x
    x = 930,968,787,746,068,864/1,429,990,038.88
  6. Step 6: Final answer
    x = 651,031,659.27

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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.