Home / 507,853,466,276.86-700,837,897,860.84-279,482,708,261.89

Finding the Fourth Proportional to 507,853,466,276.86, 700,837,897,860.84 and 279,482,708,261.89

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Solution

The fourth proportional to 507,853,466,276.86, 700,837,897,860.84 and 279,482,708,261.89 is: 385,686,200,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,853,466,276.86 : 700,837,897,860.84 = 279,482,708,261.89 : x
  2. Step 2: Convert to fraction form
    507,853,466,276.86/700,837,897,860.84 = 279,482,708,261.89/x
  3. Step 3: Cross multiply
    507,853,466,276.86x = 700,837,897,860.84 × 279,482,708,261.89
  4. Step 4: Simplify right side
    507,853,466,276.86x = 195,872,073,746,717,391,978,496
  5. Step 5: Solve for x
    x = 195,872,073,746,717,391,978,496/507,853,466,276.86
  6. Step 6: Final answer
    x = 385,686,200,357.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.