Home / 877,373,968.27-1,210,906,026.67-555,531,849.98

Finding the Fourth Proportional to 877,373,968.27, 1,210,906,026.67 and 555,531,849.98

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Solution

The fourth proportional to 877,373,968.27, 1,210,906,026.67 and 555,531,849.98 is: 766,716,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,373,968.27 : 1,210,906,026.67 = 555,531,849.98 : x
  2. Step 2: Convert to fraction form
    877,373,968.27/1,210,906,026.67 = 555,531,849.98/x
  3. Step 3: Cross multiply
    877,373,968.27x = 1,210,906,026.67 × 555,531,849.98
  4. Step 4: Simplify right side
    877,373,968.27x = 672,696,865,149,554,688
  5. Step 5: Solve for x
    x = 672,696,865,149,554,688/877,373,968.27
  6. Step 6: Final answer
    x = 766,716,234.44

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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.