Home / 7,272,465,322.85-10,036,249,771.97-4,220,405,301.22

Finding the Fourth Proportional to 7,272,465,322.85, 10,036,249,771.97 and 4,220,405,301.22

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Solution

The fourth proportional to 7,272,465,322.85, 10,036,249,771.97 and 4,220,405,301.22 is: 5,824,303,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,465,322.85 : 10,036,249,771.97 = 4,220,405,301.22 : x
  2. Step 2: Convert to fraction form
    7,272,465,322.85/10,036,249,771.97 = 4,220,405,301.22/x
  3. Step 3: Cross multiply
    7,272,465,322.85x = 10,036,249,771.97 × 4,220,405,301.22
  4. Step 4: Simplify right side
    7,272,465,322.85x = 42,357,041,741,990,199,296
  5. Step 5: Solve for x
    x = 42,357,041,741,990,199,296/7,272,465,322.85
  6. Step 6: Final answer
    x = 5,824,303,019.90

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1.5x scale

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.