Home / 927,342,424.40-1,391,013,636.60-497,360,728.40

Finding the Fourth Proportional to 927,342,424.40, 1,391,013,636.60 and 497,360,728.40

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Solution

The fourth proportional to 927,342,424.40, 1,391,013,636.60 and 497,360,728.40 is: 746,041,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,342,424.40 : 1,391,013,636.60 = 497,360,728.40 : x
  2. Step 2: Convert to fraction form
    927,342,424.40/1,391,013,636.60 = 497,360,728.40/x
  3. Step 3: Cross multiply
    927,342,424.40x = 1,391,013,636.60 × 497,360,728.40
  4. Step 4: Simplify right side
    927,342,424.40x = 691,835,555,513,708,800
  5. Step 5: Solve for x
    x = 691,835,555,513,708,800/927,342,424.40
  6. Step 6: Final answer
    x = 746,041,092.60

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1.5x scale

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.