Home / 1,177,598,735.62-1,625,038,941.70-641,739,021.66

Finding the Fourth Proportional to 1,177,598,735.62, 1,625,038,941.70 and 641,739,021.66

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Solution

The fourth proportional to 1,177,598,735.62, 1,625,038,941.70 and 641,739,021.66 is: 885,574,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,598,735.62 : 1,625,038,941.70 = 641,739,021.66 : x
  2. Step 2: Convert to fraction form
    1,177,598,735.62/1,625,038,941.70 = 641,739,021.66/x
  3. Step 3: Cross multiply
    1,177,598,735.62x = 1,625,038,941.70 × 641,739,021.66
  4. Step 4: Simplify right side
    1,177,598,735.62x = 1,042,850,900,605,959,808
  5. Step 5: Solve for x
    x = 1,042,850,900,605,959,808/1,177,598,735.62
  6. Step 6: Final answer
    x = 885,574,066.16

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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.