Home / 680,238,045.60-1,020,357,068.40-544,189,149.60

Finding the Fourth Proportional to 680,238,045.60, 1,020,357,068.40 and 544,189,149.60

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Solution

The fourth proportional to 680,238,045.60, 1,020,357,068.40 and 544,189,149.60 is: 816,283,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,238,045.60 : 1,020,357,068.40 = 544,189,149.60 : x
  2. Step 2: Convert to fraction form
    680,238,045.60/1,020,357,068.40 = 544,189,149.60/x
  3. Step 3: Cross multiply
    680,238,045.60x = 1,020,357,068.40 × 544,189,149.60
  4. Step 4: Simplify right side
    680,238,045.60x = 555,267,245,340,945,024
  5. Step 5: Solve for x
    x = 555,267,245,340,945,024/680,238,045.60
  6. Step 6: Final answer
    x = 816,283,724.40

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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.