Home / 1,265,855,218.20-1,899,430,300.98-602,618,621.40

Finding the Fourth Proportional to 1,265,855,218.20, 1,899,430,300.98 and 602,618,621.40

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Solution

The fourth proportional to 1,265,855,218.20, 1,899,430,300.98 and 602,618,621.40 is: 904,236,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,855,218.20 : 1,899,430,300.98 = 602,618,621.40 : x
  2. Step 2: Convert to fraction form
    1,265,855,218.20/1,899,430,300.98 = 602,618,621.40/x
  3. Step 3: Cross multiply
    1,265,855,218.20x = 1,899,430,300.98 × 602,618,621.40
  4. Step 4: Simplify right side
    1,265,855,218.20x = 1,144,632,069,421,954,688
  5. Step 5: Solve for x
    x = 1,144,632,069,421,954,688/1,265,855,218.20
  6. Step 6: Final answer
    x = 904,236,166.16

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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.