Home / 1,090,753,128,210.60-1,636,129,692,315.90-453,833,844,294.60

Finding the Fourth Proportional to 1,090,753,128,210.60, 1,636,129,692,315.90 and 453,833,844,294.60

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Solution

The fourth proportional to 1,090,753,128,210.60, 1,636,129,692,315.90 and 453,833,844,294.60 is: 680,750,766,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,753,128,210.60 : 1,636,129,692,315.90 = 453,833,844,294.60 : x
  2. Step 2: Convert to fraction form
    1,090,753,128,210.60/1,636,129,692,315.90 = 453,833,844,294.60/x
  3. Step 3: Cross multiply
    1,090,753,128,210.60x = 1,636,129,692,315.90 × 453,833,844,294.60
  4. Step 4: Simplify right side
    1,090,753,128,210.60x = 742,531,028,028,265,886,384,128
  5. Step 5: Solve for x
    x = 742,531,028,028,265,886,384,128/1,090,753,128,210.60
  6. Step 6: Final answer
    x = 680,750,766,441.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.