Home / 1,123,775,355,971.90-1,550,811,138,980.40-609,941,256,376.36

Finding the Fourth Proportional to 1,123,775,355,971.90, 1,550,811,138,980.40 and 609,941,256,376.36

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Solution

The fourth proportional to 1,123,775,355,971.90, 1,550,811,138,980.40 and 609,941,256,376.36 is: 841,719,556,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,775,355,971.90 : 1,550,811,138,980.40 = 609,941,256,376.36 : x
  2. Step 2: Convert to fraction form
    1,123,775,355,971.90/1,550,811,138,980.40 = 609,941,256,376.36/x
  3. Step 3: Cross multiply
    1,123,775,355,971.90x = 1,550,811,138,980.40 × 609,941,256,376.36
  4. Step 4: Simplify right side
    1,123,775,355,971.90x = 945,903,694,512,158,870,077,440
  5. Step 5: Solve for x
    x = 945,903,694,512,158,870,077,440/1,123,775,355,971.90
  6. Step 6: Final answer
    x = 841,719,556,747.26

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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.