Home / 651,619,355.40-977,429,033.10-191,604,025.80

Finding the Fourth Proportional to 651,619,355.40, 977,429,033.10 and 191,604,025.80

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Solution

The fourth proportional to 651,619,355.40, 977,429,033.10 and 191,604,025.80 is: 287,406,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,619,355.40 : 977,429,033.10 = 191,604,025.80 : x
  2. Step 2: Convert to fraction form
    651,619,355.40/977,429,033.10 = 191,604,025.80/x
  3. Step 3: Cross multiply
    651,619,355.40x = 977,429,033.10 × 191,604,025.80
  4. Step 4: Simplify right side
    651,619,355.40x = 187,279,337,675,761,472
  5. Step 5: Solve for x
    x = 187,279,337,675,761,472/651,619,355.40
  6. Step 6: Final answer
    x = 287,406,038.70

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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.