Home / 2,518,455,718.72-3,475,473,529.60-1,404,693,601.28

Finding the Fourth Proportional to 2,518,455,718.72, 3,475,473,529.60 and 1,404,693,601.28

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Solution

The fourth proportional to 2,518,455,718.72, 3,475,473,529.60 and 1,404,693,601.28 is: 1,938,479,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,455,718.72 : 3,475,473,529.60 = 1,404,693,601.28 : x
  2. Step 2: Convert to fraction form
    2,518,455,718.72/3,475,473,529.60 = 1,404,693,601.28/x
  3. Step 3: Cross multiply
    2,518,455,718.72x = 3,475,473,529.60 × 1,404,693,601.28
  4. Step 4: Simplify right side
    2,518,455,718.72x = 4,881,975,428,447,136,768
  5. Step 5: Solve for x
    x = 4,881,975,428,447,136,768/2,518,455,718.72
  6. Step 6: Final answer
    x = 1,938,479,756.53

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Double scale
Find fourth proportional to 2,518,455,719.72, 3,475,473,530.98 and 1,404,693,602.28
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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.