Home / 698,688,126.40-1,048,032,189.60-537,444,990.40

Finding the Fourth Proportional to 698,688,126.40, 1,048,032,189.60 and 537,444,990.40

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Solution

The fourth proportional to 698,688,126.40, 1,048,032,189.60 and 537,444,990.40 is: 806,167,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,126.40 : 1,048,032,189.60 = 537,444,990.40 : x
  2. Step 2: Convert to fraction form
    698,688,126.40/1,048,032,189.60 = 537,444,990.40/x
  3. Step 3: Cross multiply
    698,688,126.40x = 1,048,032,189.60 × 537,444,990.40
  4. Step 4: Simplify right side
    698,688,126.40x = 563,259,650,078,462,976
  5. Step 5: Solve for x
    x = 563,259,650,078,462,976/698,688,126.40
  6. Step 6: Final answer
    x = 806,167,485.60

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Double scale
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Similar ratio
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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.