Home / 948,500,490.62-1,308,902,564.48-525,133,020.62

Finding the Fourth Proportional to 948,500,490.62, 1,308,902,564.48 and 525,133,020.62

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Solution

The fourth proportional to 948,500,490.62, 1,308,902,564.48 and 525,133,020.62 is: 724,668,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,500,490.62 : 1,308,902,564.48 = 525,133,020.62 : x
  2. Step 2: Convert to fraction form
    948,500,490.62/1,308,902,564.48 = 525,133,020.62/x
  3. Step 3: Cross multiply
    948,500,490.62x = 1,308,902,564.48 × 525,133,020.62
  4. Step 4: Simplify right side
    948,500,490.62x = 687,347,957,382,646,784
  5. Step 5: Solve for x
    x = 687,347,957,382,646,784/948,500,490.62
  6. Step 6: Final answer
    x = 724,668,004.05

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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.