Home / 779,764,007.70-1,169,646,011.55-626,708,999.70

Finding the Fourth Proportional to 779,764,007.70, 1,169,646,011.55 and 626,708,999.70

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Solution

The fourth proportional to 779,764,007.70, 1,169,646,011.55 and 626,708,999.70 is: 940,063,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,764,007.70 : 1,169,646,011.55 = 626,708,999.70 : x
  2. Step 2: Convert to fraction form
    779,764,007.70/1,169,646,011.55 = 626,708,999.70/x
  3. Step 3: Cross multiply
    779,764,007.70x = 1,169,646,011.55 × 626,708,999.70
  4. Step 4: Simplify right side
    779,764,007.70x = 733,027,681,901,595,136
  5. Step 5: Solve for x
    x = 733,027,681,901,595,136/779,764,007.70
  6. Step 6: Final answer
    x = 940,063,499.55

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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.