Home / 930,306,019.80-1,283,764,461.66-512,594,929.56

Finding the Fourth Proportional to 930,306,019.80, 1,283,764,461.66 and 512,594,929.56

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Solution

The fourth proportional to 930,306,019.80, 1,283,764,461.66 and 512,594,929.56 is: 707,349,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,306,019.80 : 1,283,764,461.66 = 512,594,929.56 : x
  2. Step 2: Convert to fraction form
    930,306,019.80/1,283,764,461.66 = 512,594,929.56/x
  3. Step 3: Cross multiply
    930,306,019.80x = 1,283,764,461.66 × 512,594,929.56
  4. Step 4: Simplify right side
    930,306,019.80x = 658,051,153,796,239,104
  5. Step 5: Solve for x
    x = 658,051,153,796,239,104/930,306,019.80
  6. Step 6: Final answer
    x = 707,349,130.06

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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.