Home / 1,405,221,033,543.90-1,938,491,340,056.50-917,765,305,423.77

Finding the Fourth Proportional to 1,405,221,033,543.90, 1,938,491,340,056.50 and 917,765,305,423.77

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Solution

The fourth proportional to 1,405,221,033,543.90, 1,938,491,340,056.50 and 917,765,305,423.77 is: 1,266,050,005,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,221,033,543.90 : 1,938,491,340,056.50 = 917,765,305,423.77 : x
  2. Step 2: Convert to fraction form
    1,405,221,033,543.90/1,938,491,340,056.50 = 917,765,305,423.77/x
  3. Step 3: Cross multiply
    1,405,221,033,543.90x = 1,938,491,340,056.50 × 917,765,305,423.77
  4. Step 4: Simplify right side
    1,405,221,033,543.90x = 1,779,080,096,768,287,045,582,848
  5. Step 5: Solve for x
    x = 1,779,080,096,768,287,045,582,848/1,405,221,033,543.90
  6. Step 6: Final answer
    x = 1,266,050,005,159.35

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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.