Home / 315,872,563,737.92-473,792,158,339.66-103,608,736,076.47

Finding the Fourth Proportional to 315,872,563,737.92, 473,792,158,339.66 and 103,608,736,076.47

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Solution

The fourth proportional to 315,872,563,737.92, 473,792,158,339.66 and 103,608,736,076.47 is: 155,407,630,557.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,872,563,737.92 : 473,792,158,339.66 = 103,608,736,076.47 : x
  2. Step 2: Convert to fraction form
    315,872,563,737.92/473,792,158,339.66 = 103,608,736,076.47/x
  3. Step 3: Cross multiply
    315,872,563,737.92x = 473,792,158,339.66 × 103,608,736,076.47
  4. Step 4: Simplify right side
    315,872,563,737.92x = 49,089,006,688,514,915,434,496
  5. Step 5: Solve for x
    x = 49,089,006,688,514,915,434,496/315,872,563,737.92
  6. Step 6: Final answer
    x = 155,407,630,557.13

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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.