Home / 1,540,090,905.17-2,309,972,590.87-434,668,430.93

Finding the Fourth Proportional to 1,540,090,905.17, 2,309,972,590.87 and 434,668,430.93

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Solution

The fourth proportional to 1,540,090,905.17, 2,309,972,590.87 and 434,668,430.93 is: 651,956,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,090,905.17 : 2,309,972,590.87 = 434,668,430.93 : x
  2. Step 2: Convert to fraction form
    1,540,090,905.17/2,309,972,590.87 = 434,668,430.93/x
  3. Step 3: Cross multiply
    1,540,090,905.17x = 2,309,972,590.87 × 434,668,430.93
  4. Step 4: Simplify right side
    1,540,090,905.17x = 1,004,072,161,552,133,120
  5. Step 5: Solve for x
    x = 1,004,072,161,552,133,120/1,540,090,905.17
  6. Step 6: Final answer
    x = 651,956,425.55

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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.