Home / 1,128,312,293.16-1,684,870,619.94-921,461,339.58

Finding the Fourth Proportional to 1,128,312,293.16, 1,684,870,619.94 and 921,461,339.58

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Solution

The fourth proportional to 1,128,312,293.16, 1,684,870,619.94 and 921,461,339.58 is: 1,375,987,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,312,293.16 : 1,684,870,619.94 = 921,461,339.58 : x
  2. Step 2: Convert to fraction form
    1,128,312,293.16/1,684,870,619.94 = 921,461,339.58/x
  3. Step 3: Cross multiply
    1,128,312,293.16x = 1,684,870,619.94 × 921,461,339.58
  4. Step 4: Simplify right side
    1,128,312,293.16x = 1,552,543,138,468,897,536
  5. Step 5: Solve for x
    x = 1,552,543,138,468,897,536/1,128,312,293.16
  6. Step 6: Final answer
    x = 1,375,987,080.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.