Home / 711,184,046,283.70-981,408,590,588.10-402,528,778,391.94

Finding the Fourth Proportional to 711,184,046,283.70, 981,408,590,588.10 and 402,528,778,391.94

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Solution

The fourth proportional to 711,184,046,283.70, 981,408,590,588.10 and 402,528,778,391.94 is: 555,475,341,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,046,283.70 : 981,408,590,588.10 = 402,528,778,391.94 : x
  2. Step 2: Convert to fraction form
    711,184,046,283.70/981,408,590,588.10 = 402,528,778,391.94/x
  3. Step 3: Cross multiply
    711,184,046,283.70x = 981,408,590,588.10 × 402,528,778,391.94
  4. Step 4: Simplify right side
    711,184,046,283.70x = 395,045,201,072,783,500,509,184
  5. Step 5: Solve for x
    x = 395,045,201,072,783,500,509,184/711,184,046,283.70
  6. Step 6: Final answer
    x = 555,475,341,632.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.