Home / 1,105,181,321.58-1,525,142,327.60-603,390,089.76

Finding the Fourth Proportional to 1,105,181,321.58, 1,525,142,327.60 and 603,390,089.76

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Solution

The fourth proportional to 1,105,181,321.58, 1,525,142,327.60 and 603,390,089.76 is: 832,674,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,181,321.58 : 1,525,142,327.60 = 603,390,089.76 : x
  2. Step 2: Convert to fraction form
    1,105,181,321.58/1,525,142,327.60 = 603,390,089.76/x
  3. Step 3: Cross multiply
    1,105,181,321.58x = 1,525,142,327.60 × 603,390,089.76
  4. Step 4: Simplify right side
    1,105,181,321.58x = 920,255,765,947,339,264
  5. Step 5: Solve for x
    x = 920,255,765,947,339,264/1,105,181,321.58
  6. Step 6: Final answer
    x = 832,674,012.83

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Double scale
Find fourth proportional to 1,105,181,322.58, 1,525,142,328.98 and 603,390,090.76
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1.5x scale

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.