Home / 1,404,586,868.40-1,938,329,204.22-840,071,740.32

Finding the Fourth Proportional to 1,404,586,868.40, 1,938,329,204.22 and 840,071,740.32

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Solution

The fourth proportional to 1,404,586,868.40, 1,938,329,204.22 and 840,071,740.32 is: 1,159,298,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,586,868.40 : 1,938,329,204.22 = 840,071,740.32 : x
  2. Step 2: Convert to fraction form
    1,404,586,868.40/1,938,329,204.22 = 840,071,740.32/x
  3. Step 3: Cross multiply
    1,404,586,868.40x = 1,938,329,204.22 × 840,071,740.32
  4. Step 4: Simplify right side
    1,404,586,868.40x = 1,628,335,587,902,176,256
  5. Step 5: Solve for x
    x = 1,628,335,587,902,176,256/1,404,586,868.40
  6. Step 6: Final answer
    x = 1,159,298,598.42

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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.