Home / 1,382,628,701.54-1,908,175,472.71-847,135,742.07

Finding the Fourth Proportional to 1,382,628,701.54, 1,908,175,472.71 and 847,135,742.07

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Solution

The fourth proportional to 1,382,628,701.54, 1,908,175,472.71 and 847,135,742.07 is: 1,169,137,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,628,701.54 : 1,908,175,472.71 = 847,135,742.07 : x
  2. Step 2: Convert to fraction form
    1,382,628,701.54/1,908,175,472.71 = 847,135,742.07/x
  3. Step 3: Cross multiply
    1,382,628,701.54x = 1,908,175,472.71 × 847,135,742.07
  4. Step 4: Simplify right side
    1,382,628,701.54x = 1,616,483,645,071,841,024
  5. Step 5: Solve for x
    x = 1,616,483,645,071,841,024/1,382,628,701.54
  6. Step 6: Final answer
    x = 1,169,137,920.60

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Double scale
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1.5x scale

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.