Home / 927,342,458.40-1,391,013,687.60-497,360,762.40

Finding the Fourth Proportional to 927,342,458.40, 1,391,013,687.60 and 497,360,762.40

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Solution

The fourth proportional to 927,342,458.40, 1,391,013,687.60 and 497,360,762.40 is: 746,041,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,342,458.40 : 1,391,013,687.60 = 497,360,762.40 : x
  2. Step 2: Convert to fraction form
    927,342,458.40/1,391,013,687.60 = 497,360,762.40/x
  3. Step 3: Cross multiply
    927,342,458.40x = 1,391,013,687.60 × 497,360,762.40
  4. Step 4: Simplify right side
    927,342,458.40x = 691,835,628,173,571,328
  5. Step 5: Solve for x
    x = 691,835,628,173,571,328/927,342,458.40
  6. Step 6: Final answer
    x = 746,041,143.60

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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.