Home / 851,834,139.40-1,276,869,410.70-462,835,073.80

Finding the Fourth Proportional to 851,834,139.40, 1,276,869,410.70 and 462,835,073.80

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Solution

The fourth proportional to 851,834,139.40, 1,276,869,410.70 and 462,835,073.80 is: 693,773,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,834,139.40 : 1,276,869,410.70 = 462,835,073.80 : x
  2. Step 2: Convert to fraction form
    851,834,139.40/1,276,869,410.70 = 462,835,073.80/x
  3. Step 3: Cross multiply
    851,834,139.40x = 1,276,869,410.70 × 462,835,073.80
  4. Step 4: Simplify right side
    851,834,139.40x = 590,979,947,934,297,088
  5. Step 5: Solve for x
    x = 590,979,947,934,297,088/851,834,139.40
  6. Step 6: Final answer
    x = 693,773,494.86

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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.