Home / 1,575,304,701.77-2,173,919,769.60-870,450,518.27

Finding the Fourth Proportional to 1,575,304,701.77, 2,173,919,769.60 and 870,450,518.27

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Solution

The fourth proportional to 1,575,304,701.77, 2,173,919,769.60 and 870,450,518.27 is: 1,201,221,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,304,701.77 : 2,173,919,769.60 = 870,450,518.27 : x
  2. Step 2: Convert to fraction form
    1,575,304,701.77/2,173,919,769.60 = 870,450,518.27/x
  3. Step 3: Cross multiply
    1,575,304,701.77x = 2,173,919,769.60 × 870,450,518.27
  4. Step 4: Simplify right side
    1,575,304,701.77x = 1,892,289,590,125,718,784
  5. Step 5: Solve for x
    x = 1,892,289,590,125,718,784/1,575,304,701.77
  6. Step 6: Final answer
    x = 1,201,221,318.01

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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.