Home / 2,163,191,496.50-2,985,330,130.67-1,210,564,178.21

Finding the Fourth Proportional to 2,163,191,496.50, 2,985,330,130.67 and 1,210,564,178.21

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Solution

The fourth proportional to 2,163,191,496.50, 2,985,330,130.67 and 1,210,564,178.21 is: 1,670,649,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,191,496.50 : 2,985,330,130.67 = 1,210,564,178.21 : x
  2. Step 2: Convert to fraction form
    2,163,191,496.50/2,985,330,130.67 = 1,210,564,178.21/x
  3. Step 3: Cross multiply
    2,163,191,496.50x = 2,985,330,130.67 × 1,210,564,178.21
  4. Step 4: Simplify right side
    2,163,191,496.50x = 3,613,933,716,320,080,896
  5. Step 5: Solve for x
    x = 3,613,933,716,320,080,896/2,163,191,496.50
  6. Step 6: Final answer
    x = 1,670,649,002.72

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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.