Home / 1,399,822,307.68-1,931,813,476.32-805,106,957.44

Finding the Fourth Proportional to 1,399,822,307.68, 1,931,813,476.32 and 805,106,957.44

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Solution

The fourth proportional to 1,399,822,307.68, 1,931,813,476.32 and 805,106,957.44 is: 1,111,081,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,822,307.68 : 1,931,813,476.32 = 805,106,957.44 : x
  2. Step 2: Convert to fraction form
    1,399,822,307.68/1,931,813,476.32 = 805,106,957.44/x
  3. Step 3: Cross multiply
    1,399,822,307.68x = 1,931,813,476.32 × 805,106,957.44
  4. Step 4: Simplify right side
    1,399,822,307.68x = 1,555,316,470,261,584,640
  5. Step 5: Solve for x
    x = 1,555,316,470,261,584,640/1,399,822,307.68
  6. Step 6: Final answer
    x = 1,111,081,357.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.