Home / 689,602,917.40-1,034,404,376.10-614,776,024.60

Finding the Fourth Proportional to 689,602,917.40, 1,034,404,376.10 and 614,776,024.60

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Solution

The fourth proportional to 689,602,917.40, 1,034,404,376.10 and 614,776,024.60 is: 922,164,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,602,917.40 : 1,034,404,376.10 = 614,776,024.60 : x
  2. Step 2: Convert to fraction form
    689,602,917.40/1,034,404,376.10 = 614,776,024.60/x
  3. Step 3: Cross multiply
    689,602,917.40x = 1,034,404,376.10 × 614,776,024.60
  4. Step 4: Simplify right side
    689,602,917.40x = 635,927,010,167,601,280
  5. Step 5: Solve for x
    x = 635,927,010,167,601,280/689,602,917.40
  6. Step 6: Final answer
    x = 922,164,036.90

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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.