Home / 1,209,506,833,096.40-1,669,120,099,253.10-653,311,957,160.25

Finding the Fourth Proportional to 1,209,506,833,096.40, 1,669,120,099,253.10 and 653,311,957,160.25

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Solution

The fourth proportional to 1,209,506,833,096.40, 1,669,120,099,253.10 and 653,311,957,160.25 is: 901,570,862,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,506,833,096.40 : 1,669,120,099,253.10 = 653,311,957,160.25 : x
  2. Step 2: Convert to fraction form
    1,209,506,833,096.40/1,669,120,099,253.10 = 653,311,957,160.25/x
  3. Step 3: Cross multiply
    1,209,506,833,096.40x = 1,669,120,099,253.10 × 653,311,957,160.25
  4. Step 4: Simplify right side
    1,209,506,833,096.40x = 1,090,456,118,778,553,505,415,168
  5. Step 5: Solve for x
    x = 1,090,456,118,778,553,505,415,168/1,209,506,833,096.40
  6. Step 6: Final answer
    x = 901,570,862,553.07

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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.