Home / 1,636,273,958.92-2,258,064,959.16-921,818,084.36

Finding the Fourth Proportional to 1,636,273,958.92, 2,258,064,959.16 and 921,818,084.36

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Solution

The fourth proportional to 1,636,273,958.92, 2,258,064,959.16 and 921,818,084.36 is: 1,272,112,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,273,958.92 : 2,258,064,959.16 = 921,818,084.36 : x
  2. Step 2: Convert to fraction form
    1,636,273,958.92/2,258,064,959.16 = 921,818,084.36/x
  3. Step 3: Cross multiply
    1,636,273,958.92x = 2,258,064,959.16 × 921,818,084.36
  4. Step 4: Simplify right side
    1,636,273,958.92x = 2,081,525,115,013,312,768
  5. Step 5: Solve for x
    x = 2,081,525,115,013,312,768/1,636,273,958.92
  6. Step 6: Final answer
    x = 1,272,112,841.29

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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.