Home / 859,963,327.80-1,289,944,991.70-471,636,108.60

Finding the Fourth Proportional to 859,963,327.80, 1,289,944,991.70 and 471,636,108.60

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Solution

The fourth proportional to 859,963,327.80, 1,289,944,991.70 and 471,636,108.60 is: 707,454,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,963,327.80 : 1,289,944,991.70 = 471,636,108.60 : x
  2. Step 2: Convert to fraction form
    859,963,327.80/1,289,944,991.70 = 471,636,108.60/x
  3. Step 3: Cross multiply
    859,963,327.80x = 1,289,944,991.70 × 471,636,108.60
  4. Step 4: Simplify right side
    859,963,327.80x = 608,384,636,193,447,296
  5. Step 5: Solve for x
    x = 608,384,636,193,447,296/859,963,327.80
  6. Step 6: Final answer
    x = 707,454,162.90

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1.5x scale

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.