Home / 651,133,377.20-976,700,065.80-444,509,116.40

Finding the Fourth Proportional to 651,133,377.20, 976,700,065.80 and 444,509,116.40

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Solution

The fourth proportional to 651,133,377.20, 976,700,065.80 and 444,509,116.40 is: 666,763,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,133,377.20 : 976,700,065.80 = 444,509,116.40 : x
  2. Step 2: Convert to fraction form
    651,133,377.20/976,700,065.80 = 444,509,116.40/x
  3. Step 3: Cross multiply
    651,133,377.20x = 976,700,065.80 × 444,509,116.40
  4. Step 4: Simplify right side
    651,133,377.20x = 434,152,083,236,579,840
  5. Step 5: Solve for x
    x = 434,152,083,236,579,840/651,133,377.20
  6. Step 6: Final answer
    x = 666,763,674.60

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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.