Home / 683,160,605.72-942,762,080.72-369,895,031.90

Finding the Fourth Proportional to 683,160,605.72, 942,762,080.72 and 369,895,031.90

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Solution

The fourth proportional to 683,160,605.72, 942,762,080.72 and 369,895,031.90 is: 510,455,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,160,605.72 : 942,762,080.72 = 369,895,031.90 : x
  2. Step 2: Convert to fraction form
    683,160,605.72/942,762,080.72 = 369,895,031.90/x
  3. Step 3: Cross multiply
    683,160,605.72x = 942,762,080.72 × 369,895,031.90
  4. Step 4: Simplify right side
    683,160,605.72x = 348,723,009,922,034,752
  5. Step 5: Solve for x
    x = 348,723,009,922,034,752/683,160,605.72
  6. Step 6: Final answer
    x = 510,455,384.87

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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.