Home / 718,770,852.90-1,078,602,624.09-460,171,662.30

Finding the Fourth Proportional to 718,770,852.90, 1,078,602,624.09 and 460,171,662.30

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Solution

The fourth proportional to 718,770,852.90, 1,078,602,624.09 and 460,171,662.30 is: 690,543,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,770,852.90 : 1,078,602,624.09 = 460,171,662.30 : x
  2. Step 2: Convert to fraction form
    718,770,852.90/1,078,602,624.09 = 460,171,662.30/x
  3. Step 3: Cross multiply
    718,770,852.90x = 1,078,602,624.09 × 460,171,662.30
  4. Step 4: Simplify right side
    718,770,852.90x = 496,342,362,488,637,312
  5. Step 5: Solve for x
    x = 496,342,362,488,637,312/718,770,852.90
  6. Step 6: Final answer
    x = 690,543,252.40

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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.