Home / 768,527,989,855.73-1,152,559,891,212.80-231,163,300,021.12

Finding the Fourth Proportional to 768,527,989,855.73, 1,152,559,891,212.80 and 231,163,300,021.12

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Solution

The fourth proportional to 768,527,989,855.73, 1,152,559,891,212.80 and 231,163,300,021.12 is: 346,675,139,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,527,989,855.73 : 1,152,559,891,212.80 = 231,163,300,021.12 : x
  2. Step 2: Convert to fraction form
    768,527,989,855.73/1,152,559,891,212.80 = 231,163,300,021.12/x
  3. Step 3: Cross multiply
    768,527,989,855.73x = 1,152,559,891,212.80 × 231,163,300,021.12
  4. Step 4: Simplify right side
    768,527,989,855.73x = 266,429,547,924,733,923,688,448
  5. Step 5: Solve for x
    x = 266,429,547,924,733,923,688,448/768,527,989,855.73
  6. Step 6: Final answer
    x = 346,675,139,281.20

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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.