Home / 1,091,834,659.80-1,637,751,989.70-354,903,139.80

Finding the Fourth Proportional to 1,091,834,659.80, 1,637,751,989.70 and 354,903,139.80

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Solution

The fourth proportional to 1,091,834,659.80, 1,637,751,989.70 and 354,903,139.80 is: 532,354,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,834,659.80 : 1,637,751,989.70 = 354,903,139.80 : x
  2. Step 2: Convert to fraction form
    1,091,834,659.80/1,637,751,989.70 = 354,903,139.80/x
  3. Step 3: Cross multiply
    1,091,834,659.80x = 1,637,751,989.70 × 354,903,139.80
  4. Step 4: Simplify right side
    1,091,834,659.80x = 581,243,323,358,227,328
  5. Step 5: Solve for x
    x = 581,243,323,358,227,328/1,091,834,659.80
  6. Step 6: Final answer
    x = 532,354,709.70

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Double scale
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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.