Home / 651,726,901.80-977,590,352.70-542,675,208.60

Finding the Fourth Proportional to 651,726,901.80, 977,590,352.70 and 542,675,208.60

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Solution

The fourth proportional to 651,726,901.80, 977,590,352.70 and 542,675,208.60 is: 814,012,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,726,901.80 : 977,590,352.70 = 542,675,208.60 : x
  2. Step 2: Convert to fraction form
    651,726,901.80/977,590,352.70 = 542,675,208.60/x
  3. Step 3: Cross multiply
    651,726,901.80x = 977,590,352.70 × 542,675,208.60
  4. Step 4: Simplify right side
    651,726,901.80x = 530,514,048,576,820,096
  5. Step 5: Solve for x
    x = 530,514,048,576,820,096/651,726,901.80
  6. Step 6: Final answer
    x = 814,012,812.90

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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.