Home / 660,185,252.70-990,277,879.05-466,475,008.20

Finding the Fourth Proportional to 660,185,252.70, 990,277,879.05 and 466,475,008.20

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Solution

The fourth proportional to 660,185,252.70, 990,277,879.05 and 466,475,008.20 is: 699,712,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,185,252.70 : 990,277,879.05 = 466,475,008.20 : x
  2. Step 2: Convert to fraction form
    660,185,252.70/990,277,879.05 = 466,475,008.20/x
  3. Step 3: Cross multiply
    660,185,252.70x = 990,277,879.05 × 466,475,008.20
  4. Step 4: Simplify right side
    660,185,252.70x = 461,939,881,750,127,296
  5. Step 5: Solve for x
    x = 461,939,881,750,127,296/660,185,252.70
  6. Step 6: Final answer
    x = 699,712,512.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.