Home / 3,128,307,220.40-4,680,367,595.40-2,039,916,052.40

Finding the Fourth Proportional to 3,128,307,220.40, 4,680,367,595.40 and 2,039,916,052.40

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Solution

The fourth proportional to 3,128,307,220.40, 4,680,367,595.40 and 2,039,916,052.40 is: 3,051,988,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,307,220.40 : 4,680,367,595.40 = 2,039,916,052.40 : x
  2. Step 2: Convert to fraction form
    3,128,307,220.40/4,680,367,595.40 = 2,039,916,052.40/x
  3. Step 3: Cross multiply
    3,128,307,220.40x = 4,680,367,595.40 × 2,039,916,052.40
  4. Step 4: Simplify right side
    3,128,307,220.40x = 9,547,556,988,989,247,488
  5. Step 5: Solve for x
    x = 9,547,556,988,989,247,488/3,128,307,220.40
  6. Step 6: Final answer
    x = 3,051,988,285.14

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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.