Home / 1,209,506,908,836.80-1,669,120,203,874.80-653,312,033,206.60

Finding the Fourth Proportional to 1,209,506,908,836.80, 1,669,120,203,874.80 and 653,312,033,206.60

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Solution

The fourth proportional to 1,209,506,908,836.80, 1,669,120,203,874.80 and 653,312,033,206.60 is: 901,570,967,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,506,908,836.80 : 1,669,120,203,874.80 = 653,312,033,206.60 : x
  2. Step 2: Convert to fraction form
    1,209,506,908,836.80/1,669,120,203,874.80 = 653,312,033,206.60/x
  3. Step 3: Cross multiply
    1,209,506,908,836.80x = 1,669,120,203,874.80 × 653,312,033,206.60
  4. Step 4: Simplify right side
    1,209,506,908,836.80x = 1,090,456,314,059,660,269,191,168
  5. Step 5: Solve for x
    x = 1,090,456,314,059,660,269,191,168/1,209,506,908,836.80
  6. Step 6: Final answer
    x = 901,570,967,551.04

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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.