Home / 673,526,457.40-1,011,139,991.70-362,881,478.20

Finding the Fourth Proportional to 673,526,457.40, 1,011,139,991.70 and 362,881,478.20

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Solution

The fourth proportional to 673,526,457.40, 1,011,139,991.70 and 362,881,478.20 is: 544,780,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,526,457.40 : 1,011,139,991.70 = 362,881,478.20 : x
  2. Step 2: Convert to fraction form
    673,526,457.40/1,011,139,991.70 = 362,881,478.20/x
  3. Step 3: Cross multiply
    673,526,457.40x = 1,011,139,991.70 × 362,881,478.20
  4. Step 4: Simplify right side
    673,526,457.40x = 366,923,974,855,231,744
  5. Step 5: Solve for x
    x = 366,923,974,855,231,744/673,526,457.40
  6. Step 6: Final answer
    x = 544,780,343.55

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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.