Home / 347,680,521,775.70-521,520,782,663.55-288,907,398,703.70

Finding the Fourth Proportional to 347,680,521,775.70, 521,520,782,663.55 and 288,907,398,703.70

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Solution

The fourth proportional to 347,680,521,775.70, 521,520,782,663.55 and 288,907,398,703.70 is: 433,361,098,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,521,775.70 : 521,520,782,663.55 = 288,907,398,703.70 : x
  2. Step 2: Convert to fraction form
    347,680,521,775.70/521,520,782,663.55 = 288,907,398,703.70/x
  3. Step 3: Cross multiply
    347,680,521,775.70x = 521,520,782,663.55 × 288,907,398,703.70
  4. Step 4: Simplify right side
    347,680,521,775.70x = 150,671,212,689,243,915,681,792
  5. Step 5: Solve for x
    x = 150,671,212,689,243,915,681,792/347,680,521,775.70
  6. Step 6: Final answer
    x = 433,361,098,055.55

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Double scale
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1.5x scale

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.