Home / 977,535,363.09-1,348,989,317.06-531,498,720.27

Finding the Fourth Proportional to 977,535,363.09, 1,348,989,317.06 and 531,498,720.27

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Solution

The fourth proportional to 977,535,363.09, 1,348,989,317.06 and 531,498,720.27 is: 733,463,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,535,363.09 : 1,348,989,317.06 = 531,498,720.27 : x
  2. Step 2: Convert to fraction form
    977,535,363.09/1,348,989,317.06 = 531,498,720.27/x
  3. Step 3: Cross multiply
    977,535,363.09x = 1,348,989,317.06 × 531,498,720.27
  4. Step 4: Simplify right side
    977,535,363.09x = 716,986,095,672,633,856
  5. Step 5: Solve for x
    x = 716,986,095,672,633,856/977,535,363.09
  6. Step 6: Final answer
    x = 733,463,077.39

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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.