Home / 710,256,465.20-1,065,384,697.80-404,491,703.60

Finding the Fourth Proportional to 710,256,465.20, 1,065,384,697.80 and 404,491,703.60

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Solution

The fourth proportional to 710,256,465.20, 1,065,384,697.80 and 404,491,703.60 is: 606,737,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,256,465.20 : 1,065,384,697.80 = 404,491,703.60 : x
  2. Step 2: Convert to fraction form
    710,256,465.20/1,065,384,697.80 = 404,491,703.60/x
  3. Step 3: Cross multiply
    710,256,465.20x = 1,065,384,697.80 × 404,491,703.60
  4. Step 4: Simplify right side
    710,256,465.20x = 430,939,271,402,493,184
  5. Step 5: Solve for x
    x = 430,939,271,402,493,184/710,256,465.20
  6. Step 6: Final answer
    x = 606,737,555.40

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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.