Home / 689,602,916.40-1,034,404,374.60-614,776,023.60

Finding the Fourth Proportional to 689,602,916.40, 1,034,404,374.60 and 614,776,023.60

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Solution

The fourth proportional to 689,602,916.40, 1,034,404,374.60 and 614,776,023.60 is: 922,164,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,602,916.40 : 1,034,404,374.60 = 614,776,023.60 : x
  2. Step 2: Convert to fraction form
    689,602,916.40/1,034,404,374.60 = 614,776,023.60/x
  3. Step 3: Cross multiply
    689,602,916.40x = 1,034,404,374.60 × 614,776,023.60
  4. Step 4: Simplify right side
    689,602,916.40x = 635,927,008,211,032,832
  5. Step 5: Solve for x
    x = 635,927,008,211,032,832/689,602,916.40
  6. Step 6: Final answer
    x = 922,164,035.40

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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.