Home / 526,346,168,889.60-789,970,734,115.20-212,502,528,979.20

Finding the Fourth Proportional to 526,346,168,889.60, 789,970,734,115.20 and 212,502,528,979.20

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Solution

The fourth proportional to 526,346,168,889.60, 789,970,734,115.20 and 212,502,528,979.20 is: 318,936,070,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,346,168,889.60 : 789,970,734,115.20 = 212,502,528,979.20 : x
  2. Step 2: Convert to fraction form
    526,346,168,889.60/789,970,734,115.20 = 212,502,528,979.20/x
  3. Step 3: Cross multiply
    526,346,168,889.60x = 789,970,734,115.20 × 212,502,528,979.20
  4. Step 4: Simplify right side
    526,346,168,889.60x = 167,870,778,819,035,172,700,160
  5. Step 5: Solve for x
    x = 167,870,778,819,035,172,700,160/526,346,168,889.60
  6. Step 6: Final answer
    x = 318,936,070,482.25

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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.