Home / 679,210,926.52-937,314,252.76-385,871,590.84

Finding the Fourth Proportional to 679,210,926.52, 937,314,252.76 and 385,871,590.84

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Solution

The fourth proportional to 679,210,926.52, 937,314,252.76 and 385,871,590.84 is: 532,504,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,210,926.52 : 937,314,252.76 = 385,871,590.84 : x
  2. Step 2: Convert to fraction form
    679,210,926.52/937,314,252.76 = 385,871,590.84/x
  3. Step 3: Cross multiply
    679,210,926.52x = 937,314,252.76 × 385,871,590.84
  4. Step 4: Simplify right side
    679,210,926.52x = 361,682,941,829,507,008
  5. Step 5: Solve for x
    x = 361,682,941,829,507,008/679,210,926.52
  6. Step 6: Final answer
    x = 532,504,598.66

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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.