Home / 768,423,167.68-1,153,093,812.48-705,905,648.32

Finding the Fourth Proportional to 768,423,167.68, 1,153,093,812.48 and 705,905,648.32

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Solution

The fourth proportional to 768,423,167.68, 1,153,093,812.48 and 705,905,648.32 is: 1,059,280,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,423,167.68 : 1,153,093,812.48 = 705,905,648.32 : x
  2. Step 2: Convert to fraction form
    768,423,167.68/1,153,093,812.48 = 705,905,648.32/x
  3. Step 3: Cross multiply
    768,423,167.68x = 1,153,093,812.48 × 705,905,648.32
  4. Step 4: Simplify right side
    768,423,167.68x = 813,975,435,272,475,008
  5. Step 5: Solve for x
    x = 813,975,435,272,475,008/768,423,167.68
  6. Step 6: Final answer
    x = 1,059,280,185.07

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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.