Home / 916,675,658.66-1,265,042,931.10-514,860,108.32

Finding the Fourth Proportional to 916,675,658.66, 1,265,042,931.10 and 514,860,108.32

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Solution

The fourth proportional to 916,675,658.66, 1,265,042,931.10 and 514,860,108.32 is: 710,524,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,675,658.66 : 1,265,042,931.10 = 514,860,108.32 : x
  2. Step 2: Convert to fraction form
    916,675,658.66/1,265,042,931.10 = 514,860,108.32/x
  3. Step 3: Cross multiply
    916,675,658.66x = 1,265,042,931.10 × 514,860,108.32
  4. Step 4: Simplify right side
    916,675,658.66x = 651,320,140,527,984,000
  5. Step 5: Solve for x
    x = 651,320,140,527,984,000/916,675,658.66
  6. Step 6: Final answer
    x = 710,524,092.55

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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.