Home / 897,077,991.78-1,237,967,875.35-495,191,984.94

Finding the Fourth Proportional to 897,077,991.78, 1,237,967,875.35 and 495,191,984.94

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Solution

The fourth proportional to 897,077,991.78, 1,237,967,875.35 and 495,191,984.94 is: 683,365,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,077,991.78 : 1,237,967,875.35 = 495,191,984.94 : x
  2. Step 2: Convert to fraction form
    897,077,991.78/1,237,967,875.35 = 495,191,984.94/x
  3. Step 3: Cross multiply
    897,077,991.78x = 1,237,967,875.35 × 495,191,984.94
  4. Step 4: Simplify right side
    897,077,991.78x = 613,031,769,486,520,960
  5. Step 5: Solve for x
    x = 613,031,769,486,520,960/897,077,991.78
  6. Step 6: Final answer
    x = 683,365,075.39

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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.