Home / 1,370,261,628.12-1,890,956,259.90-743,730,023.64

Finding the Fourth Proportional to 1,370,261,628.12, 1,890,956,259.90 and 743,730,023.64

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Solution

The fourth proportional to 1,370,261,628.12, 1,890,956,259.90 and 743,730,023.64 is: 1,026,344,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,261,628.12 : 1,890,956,259.90 = 743,730,023.64 : x
  2. Step 2: Convert to fraction form
    1,370,261,628.12/1,890,956,259.90 = 743,730,023.64/x
  3. Step 3: Cross multiply
    1,370,261,628.12x = 1,890,956,259.90 × 743,730,023.64
  4. Step 4: Simplify right side
    1,370,261,628.12x = 1,406,360,943,877,633,024
  5. Step 5: Solve for x
    x = 1,406,360,943,877,633,024/1,370,261,628.12
  6. Step 6: Final answer
    x = 1,026,344,834.46

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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.