Home / 1,159,715,816,876.40-1,600,457,430,021.50-645,881,528,950.89

Finding the Fourth Proportional to 1,159,715,816,876.40, 1,600,457,430,021.50 and 645,881,528,950.89

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Solution

The fourth proportional to 1,159,715,816,876.40, 1,600,457,430,021.50 and 645,881,528,950.89 is: 891,344,135,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,715,816,876.40 : 1,600,457,430,021.50 = 645,881,528,950.89 : x
  2. Step 2: Convert to fraction form
    1,159,715,816,876.40/1,600,457,430,021.50 = 645,881,528,950.89/x
  3. Step 3: Cross multiply
    1,159,715,816,876.40x = 1,600,457,430,021.50 × 645,881,528,950.89
  4. Step 4: Simplify right side
    1,159,715,816,876.40x = 1,033,705,891,923,098,448,429,056
  5. Step 5: Solve for x
    x = 1,033,705,891,923,098,448,429,056/1,159,715,816,876.40
  6. Step 6: Final answer
    x = 891,344,135,244.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.