Home / 867,278,201,869.86-1,196,872,621,401.50-476,658,611,340.48

Finding the Fourth Proportional to 867,278,201,869.86, 1,196,872,621,401.50 and 476,658,611,340.48

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Solution

The fourth proportional to 867,278,201,869.86, 1,196,872,621,401.50 and 476,658,611,340.48 is: 657,804,658,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,278,201,869.86 : 1,196,872,621,401.50 = 476,658,611,340.48 : x
  2. Step 2: Convert to fraction form
    867,278,201,869.86/1,196,872,621,401.50 = 476,658,611,340.48/x
  3. Step 3: Cross multiply
    867,278,201,869.86x = 1,196,872,621,401.50 × 476,658,611,340.48
  4. Step 4: Simplify right side
    867,278,201,869.86x = 570,499,641,668,679,009,042,432
  5. Step 5: Solve for x
    x = 570,499,641,668,679,009,042,432/867,278,201,869.86
  6. Step 6: Final answer
    x = 657,804,658,803.46

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Double scale
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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.