Home / 1,308,440,957.63-1,962,678,531.81-435,042,325.93

Finding the Fourth Proportional to 1,308,440,957.63, 1,962,678,531.81 and 435,042,325.93

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Solution

The fourth proportional to 1,308,440,957.63, 1,962,678,531.81 and 435,042,325.93 is: 652,569,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,440,957.63 : 1,962,678,531.81 = 435,042,325.93 : x
  2. Step 2: Convert to fraction form
    1,308,440,957.63/1,962,678,531.81 = 435,042,325.93/x
  3. Step 3: Cross multiply
    1,308,440,957.63x = 1,962,678,531.81 × 435,042,325.93
  4. Step 4: Simplify right side
    1,308,440,957.63x = 853,848,233,531,916,544
  5. Step 5: Solve for x
    x = 853,848,233,531,916,544/1,308,440,957.63
  6. Step 6: Final answer
    x = 652,569,172.92

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1.5x scale

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.