Home / 12,931,809,788.70-19,397,714,683.05-12,931,809,788.70

Finding the Fourth Proportional to 12,931,809,788.70, 19,397,714,683.05 and 12,931,809,788.70

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Solution

The fourth proportional to 12,931,809,788.70, 19,397,714,683.05 and 12,931,809,788.70 is: 19,397,714,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,809,788.70 : 19,397,714,683.05 = 12,931,809,788.70 : x
  2. Step 2: Convert to fraction form
    12,931,809,788.70/19,397,714,683.05 = 12,931,809,788.70/x
  3. Step 3: Cross multiply
    12,931,809,788.70x = 19,397,714,683.05 × 12,931,809,788.70
  4. Step 4: Simplify right side
    12,931,809,788.70x = 250,847,556,616,675,721,216
  5. Step 5: Solve for x
    x = 250,847,556,616,675,721,216/12,931,809,788.70
  6. Step 6: Final answer
    x = 19,397,714,683.05

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Double scale
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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.