Home / 646,866,066.80-970,299,100.20-302,492,298.80

Finding the Fourth Proportional to 646,866,066.80, 970,299,100.20 and 302,492,298.80

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Solution

The fourth proportional to 646,866,066.80, 970,299,100.20 and 302,492,298.80 is: 453,738,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,866,066.80 : 970,299,100.20 = 302,492,298.80 : x
  2. Step 2: Convert to fraction form
    646,866,066.80/970,299,100.20 = 302,492,298.80/x
  3. Step 3: Cross multiply
    646,866,066.80x = 970,299,100.20 × 302,492,298.80
  4. Step 4: Simplify right side
    646,866,066.80x = 293,508,005,343,069,568
  5. Step 5: Solve for x
    x = 293,508,005,343,069,568/646,866,066.80
  6. Step 6: Final answer
    x = 453,738,448.20

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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.