Home / 977,535,361.18-1,348,989,314.43-531,498,718.36

Finding the Fourth Proportional to 977,535,361.18, 1,348,989,314.43 and 531,498,718.36

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Solution

The fourth proportional to 977,535,361.18, 1,348,989,314.43 and 531,498,718.36 is: 733,463,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,535,361.18 : 1,348,989,314.43 = 531,498,718.36 : x
  2. Step 2: Convert to fraction form
    977,535,361.18/1,348,989,314.43 = 531,498,718.36/x
  3. Step 3: Cross multiply
    977,535,361.18x = 1,348,989,314.43 × 531,498,718.36
  4. Step 4: Simplify right side
    977,535,361.18x = 716,986,091,700,880,128
  5. Step 5: Solve for x
    x = 716,986,091,700,880,128/977,535,361.18
  6. Step 6: Final answer
    x = 733,463,074.76

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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.