Home / 345,905,277,543.36-518,936,155,061.76-186,724,960,456.32

Finding the Fourth Proportional to 345,905,277,543.36, 518,936,155,061.76 and 186,724,960,456.32

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Solution

The fourth proportional to 345,905,277,543.36, 518,936,155,061.76 and 186,724,960,456.32 is: 280,129,675,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,905,277,543.36 : 518,936,155,061.76 = 186,724,960,456.32 : x
  2. Step 2: Convert to fraction form
    345,905,277,543.36/518,936,155,061.76 = 186,724,960,456.32/x
  3. Step 3: Cross multiply
    345,905,277,543.36x = 518,936,155,061.76 × 186,724,960,456.32
  4. Step 4: Simplify right side
    345,905,277,543.36x = 96,898,333,033,261,887,913,984
  5. Step 5: Solve for x
    x = 96,898,333,033,261,887,913,984/345,905,277,543.36
  6. Step 6: Final answer
    x = 280,129,675,156.85

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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.