Home / 2,006,208,077.70-3,009,312,116.55-1,221,681,587.48

Finding the Fourth Proportional to 2,006,208,077.70, 3,009,312,116.55 and 1,221,681,587.48

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Solution

The fourth proportional to 2,006,208,077.70, 3,009,312,116.55 and 1,221,681,587.48 is: 1,832,522,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006,208,077.70 : 3,009,312,116.55 = 1,221,681,587.48 : x
  2. Step 2: Convert to fraction form
    2,006,208,077.70/3,009,312,116.55 = 1,221,681,587.48/x
  3. Step 3: Cross multiply
    2,006,208,077.70x = 3,009,312,116.55 × 1,221,681,587.48
  4. Step 4: Simplify right side
    2,006,208,077.70x = 3,676,421,203,754,556,416
  5. Step 5: Solve for x
    x = 3,676,421,203,754,556,416/2,006,208,077.70
  6. Step 6: Final answer
    x = 1,832,522,381.21

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Double scale
Find fourth proportional to 2,006,208,078.70, 3,009,312,118.05 and 1,221,681,588.48
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.