Home / 689,548,189.48-951,596,598.77-376,302,581.35

Finding the Fourth Proportional to 689,548,189.48, 951,596,598.77 and 376,302,581.35

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Solution

The fourth proportional to 689,548,189.48, 951,596,598.77 and 376,302,581.35 is: 519,308,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,548,189.48 : 951,596,598.77 = 376,302,581.35 : x
  2. Step 2: Convert to fraction form
    689,548,189.48/951,596,598.77 = 376,302,581.35/x
  3. Step 3: Cross multiply
    689,548,189.48x = 951,596,598.77 × 376,302,581.35
  4. Step 4: Simplify right side
    689,548,189.48x = 358,088,256,521,031,232
  5. Step 5: Solve for x
    x = 358,088,256,521,031,232/689,548,189.48
  6. Step 6: Final answer
    x = 519,308,529.82

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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.