Home / 7,105,260,209.79-9,804,870,631.95-3,889,548,116.49

Finding the Fourth Proportional to 7,105,260,209.79, 9,804,870,631.95 and 3,889,548,116.49

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Solution

The fourth proportional to 7,105,260,209.79, 9,804,870,631.95 and 3,889,548,116.49 is: 5,367,363,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,260,209.79 : 9,804,870,631.95 = 3,889,548,116.49 : x
  2. Step 2: Convert to fraction form
    7,105,260,209.79/9,804,870,631.95 = 3,889,548,116.49/x
  3. Step 3: Cross multiply
    7,105,260,209.79x = 9,804,870,631.95 × 3,889,548,116.49
  4. Step 4: Simplify right side
    7,105,260,209.79x = 38,136,516,098,929,238,016
  5. Step 5: Solve for x
    x = 38,136,516,098,929,238,016/7,105,260,209.79
  6. Step 6: Final answer
    x = 5,367,363,752.05

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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.