Home / 1,091,834,386.80-1,637,751,580.20-354,902,866.80

Finding the Fourth Proportional to 1,091,834,386.80, 1,637,751,580.20 and 354,902,866.80

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Solution

The fourth proportional to 1,091,834,386.80, 1,637,751,580.20 and 354,902,866.80 is: 532,354,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,834,386.80 : 1,637,751,580.20 = 354,902,866.80 : x
  2. Step 2: Convert to fraction form
    1,091,834,386.80/1,637,751,580.20 = 354,902,866.80/x
  3. Step 3: Cross multiply
    1,091,834,386.80x = 1,637,751,580.20 × 354,902,866.80
  4. Step 4: Simplify right side
    1,091,834,386.80x = 581,242,730,919,210,112
  5. Step 5: Solve for x
    x = 581,242,730,919,210,112/1,091,834,386.80
  6. Step 6: Final answer
    x = 532,354,300.20

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Double scale
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Similar ratio
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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.