Home / 830,328,303.83-1,145,855,113.05-454,009,201.79

Finding the Fourth Proportional to 830,328,303.83, 1,145,855,113.05 and 454,009,201.79

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Solution

The fourth proportional to 830,328,303.83, 1,145,855,113.05 and 454,009,201.79 is: 626,533,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,328,303.83 : 1,145,855,113.05 = 454,009,201.79 : x
  2. Step 2: Convert to fraction form
    830,328,303.83/1,145,855,113.05 = 454,009,201.79/x
  3. Step 3: Cross multiply
    830,328,303.83x = 1,145,855,113.05 × 454,009,201.79
  4. Step 4: Simplify right side
    830,328,303.83x = 520,228,765,238,816,768
  5. Step 5: Solve for x
    x = 520,228,765,238,816,768/830,328,303.83
  6. Step 6: Final answer
    x = 626,533,821.43

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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.