Home / 673,604,009.80-1,010,406,014.70-455,925,776.20

Finding the Fourth Proportional to 673,604,009.80, 1,010,406,014.70 and 455,925,776.20

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Solution

The fourth proportional to 673,604,009.80, 1,010,406,014.70 and 455,925,776.20 is: 683,888,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,604,009.80 : 1,010,406,014.70 = 455,925,776.20 : x
  2. Step 2: Convert to fraction form
    673,604,009.80/1,010,406,014.70 = 455,925,776.20/x
  3. Step 3: Cross multiply
    673,604,009.80x = 1,010,406,014.70 × 455,925,776.20
  4. Step 4: Simplify right side
    673,604,009.80x = 460,670,146,529,246,144
  5. Step 5: Solve for x
    x = 460,670,146,529,246,144/673,604,009.80
  6. Step 6: Final answer
    x = 683,888,664.30

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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.