Home / 1,205,729,111.60-1,808,593,667.40-593,509,079.60

Finding the Fourth Proportional to 1,205,729,111.60, 1,808,593,667.40 and 593,509,079.60

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Solution

The fourth proportional to 1,205,729,111.60, 1,808,593,667.40 and 593,509,079.60 is: 890,263,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,729,111.60 : 1,808,593,667.40 = 593,509,079.60 : x
  2. Step 2: Convert to fraction form
    1,205,729,111.60/1,808,593,667.40 = 593,509,079.60/x
  3. Step 3: Cross multiply
    1,205,729,111.60x = 1,808,593,667.40 × 593,509,079.60
  4. Step 4: Simplify right side
    1,205,729,111.60x = 1,073,416,762,908,962,688
  5. Step 5: Solve for x
    x = 1,073,416,762,908,962,688/1,205,729,111.60
  6. Step 6: Final answer
    x = 890,263,619.40

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Double scale
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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.