Home / 5,390,076,345.10-8,085,114,517.65-2,628,283,756.30

Finding the Fourth Proportional to 5,390,076,345.10, 8,085,114,517.65 and 2,628,283,756.30

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Solution

The fourth proportional to 5,390,076,345.10, 8,085,114,517.65 and 2,628,283,756.30 is: 3,942,425,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,076,345.10 : 8,085,114,517.65 = 2,628,283,756.30 : x
  2. Step 2: Convert to fraction form
    5,390,076,345.10/8,085,114,517.65 = 2,628,283,756.30/x
  3. Step 3: Cross multiply
    5,390,076,345.10x = 8,085,114,517.65 × 2,628,283,756.30
  4. Step 4: Simplify right side
    5,390,076,345.10x = 21,249,975,154,564,804,608
  5. Step 5: Solve for x
    x = 21,249,975,154,564,804,608/5,390,076,345.10
  6. Step 6: Final answer
    x = 3,942,425,634.45

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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.