Home / 716,744,790,026.37-989,108,207,024.40-387,147,826,508.65

Finding the Fourth Proportional to 716,744,790,026.37, 989,108,207,024.40 and 387,147,826,508.65

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Solution

The fourth proportional to 716,744,790,026.37, 989,108,207,024.40 and 387,147,826,508.65 is: 534,264,214,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,744,790,026.37 : 989,108,207,024.40 = 387,147,826,508.65 : x
  2. Step 2: Convert to fraction form
    716,744,790,026.37/989,108,207,024.40 = 387,147,826,508.65/x
  3. Step 3: Cross multiply
    716,744,790,026.37x = 989,108,207,024.40 × 387,147,826,508.65
  4. Step 4: Simplify right side
    716,744,790,026.37x = 382,931,092,531,364,315,004,928
  5. Step 5: Solve for x
    x = 382,931,092,531,364,315,004,928/716,744,790,026.37
  6. Step 6: Final answer
    x = 534,264,214,905.94

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Double scale
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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.