Home / 680,913,752.70-1,021,370,629.05-473,089,266.30

Finding the Fourth Proportional to 680,913,752.70, 1,021,370,629.05 and 473,089,266.30

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Solution

The fourth proportional to 680,913,752.70, 1,021,370,629.05 and 473,089,266.30 is: 709,633,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,913,752.70 : 1,021,370,629.05 = 473,089,266.30 : x
  2. Step 2: Convert to fraction form
    680,913,752.70/1,021,370,629.05 = 473,089,266.30/x
  3. Step 3: Cross multiply
    680,913,752.70x = 1,021,370,629.05 × 473,089,266.30
  4. Step 4: Simplify right side
    680,913,752.70x = 483,199,481,517,633,984
  5. Step 5: Solve for x
    x = 483,199,481,517,633,984/680,913,752.70
  6. Step 6: Final answer
    x = 709,633,899.45

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1.5x scale

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.