Home / 539,008,271.10-808,512,406.65-193,837,341.60

Finding the Fourth Proportional to 539,008,271.10, 808,512,406.65 and 193,837,341.60

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Solution

The fourth proportional to 539,008,271.10, 808,512,406.65 and 193,837,341.60 is: 290,756,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,008,271.10 : 808,512,406.65 = 193,837,341.60 : x
  2. Step 2: Convert to fraction form
    539,008,271.10/808,512,406.65 = 193,837,341.60/x
  3. Step 3: Cross multiply
    539,008,271.10x = 808,512,406.65 × 193,837,341.60
  4. Step 4: Simplify right side
    539,008,271.10x = 156,719,895,555,654,144
  5. Step 5: Solve for x
    x = 156,719,895,555,654,144/539,008,271.10
  6. Step 6: Final answer
    x = 290,756,012.40

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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.