Home / 854,872,800,697.15-1,282,526,249,743.10-395,738,478,929.40

Finding the Fourth Proportional to 854,872,800,697.15, 1,282,526,249,743.10 and 395,738,478,929.40

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Solution

The fourth proportional to 854,872,800,697.15, 1,282,526,249,743.10 and 395,738,478,929.40 is: 593,708,194,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,872,800,697.15 : 1,282,526,249,743.10 = 395,738,478,929.40 : x
  2. Step 2: Convert to fraction form
    854,872,800,697.15/1,282,526,249,743.10 = 395,738,478,929.40/x
  3. Step 3: Cross multiply
    854,872,800,697.15x = 1,282,526,249,743.10 × 395,738,478,929.40
  4. Step 4: Simplify right side
    854,872,800,697.15x = 507,544,987,260,362,248,159,232
  5. Step 5: Solve for x
    x = 507,544,987,260,362,248,159,232/854,872,800,697.15
  6. Step 6: Final answer
    x = 593,708,194,770.57

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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.