Home / 768,527,989,815.21-1,152,559,891,152.10-231,163,299,980.55

Finding the Fourth Proportional to 768,527,989,815.21, 1,152,559,891,152.10 and 231,163,299,980.55

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Solution

The fourth proportional to 768,527,989,815.21, 1,152,559,891,152.10 and 231,163,299,980.55 is: 346,675,139,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,527,989,815.21 : 1,152,559,891,152.10 = 231,163,299,980.55 : x
  2. Step 2: Convert to fraction form
    768,527,989,815.21/1,152,559,891,152.10 = 231,163,299,980.55/x
  3. Step 3: Cross multiply
    768,527,989,815.21x = 1,152,559,891,152.10 × 231,163,299,980.55
  4. Step 4: Simplify right side
    768,527,989,815.21x = 266,429,547,863,942,956,580,864
  5. Step 5: Solve for x
    x = 266,429,547,863,942,956,580,864/768,527,989,815.21
  6. Step 6: Final answer
    x = 346,675,139,220.38

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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.