Home / 1,323,648,988.70-1,985,473,483.05-354,300,604.70

Finding the Fourth Proportional to 1,323,648,988.70, 1,985,473,483.05 and 354,300,604.70

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Solution

The fourth proportional to 1,323,648,988.70, 1,985,473,483.05 and 354,300,604.70 is: 531,450,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,648,988.70 : 1,985,473,483.05 = 354,300,604.70 : x
  2. Step 2: Convert to fraction form
    1,323,648,988.70/1,985,473,483.05 = 354,300,604.70/x
  3. Step 3: Cross multiply
    1,323,648,988.70x = 1,985,473,483.05 × 354,300,604.70
  4. Step 4: Simplify right side
    1,323,648,988.70x = 703,454,455,660,430,208
  5. Step 5: Solve for x
    x = 703,454,455,660,430,208/1,323,648,988.70
  6. Step 6: Final answer
    x = 531,450,907.05

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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.