Home / 1,355,170,624,037.80-1,870,168,997,171.70-737,907,181,518.45

Finding the Fourth Proportional to 1,355,170,624,037.80, 1,870,168,997,171.70 and 737,907,181,518.45

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Solution

The fourth proportional to 1,355,170,624,037.80, 1,870,168,997,171.70 and 737,907,181,518.45 is: 1,018,330,171,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,170,624,037.80 : 1,870,168,997,171.70 = 737,907,181,518.45 : x
  2. Step 2: Convert to fraction form
    1,355,170,624,037.80/1,870,168,997,171.70 = 737,907,181,518.45/x
  3. Step 3: Cross multiply
    1,355,170,624,037.80x = 1,870,168,997,171.70 × 737,907,181,518.45
  4. Step 4: Simplify right side
    1,355,170,624,037.80x = 1,380,011,133,666,155,015,700,480
  5. Step 5: Solve for x
    x = 1,380,011,133,666,155,015,700,480/1,355,170,624,037.80
  6. Step 6: Final answer
    x = 1,018,330,171,262.38

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.