Home / 1,101,229,551.84-1,519,733,489.72-618,506,570.15

Finding the Fourth Proportional to 1,101,229,551.84, 1,519,733,489.72 and 618,506,570.15

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Solution

The fourth proportional to 1,101,229,551.84, 1,519,733,489.72 and 618,506,570.15 is: 853,559,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,229,551.84 : 1,519,733,489.72 = 618,506,570.15 : x
  2. Step 2: Convert to fraction form
    1,101,229,551.84/1,519,733,489.72 = 618,506,570.15/x
  3. Step 3: Cross multiply
    1,101,229,551.84x = 1,519,733,489.72 × 618,506,570.15
  4. Step 4: Simplify right side
    1,101,229,551.84x = 939,965,148,263,815,168
  5. Step 5: Solve for x
    x = 939,965,148,263,815,168/1,101,229,551.84
  6. Step 6: Final answer
    x = 853,559,683.98

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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.