Home / 689,549,385.51-951,598,247.92-376,303,776.17

Finding the Fourth Proportional to 689,549,385.51, 951,598,247.92 and 376,303,776.17

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Solution

The fourth proportional to 689,549,385.51, 951,598,247.92 and 376,303,776.17 is: 519,310,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,549,385.51 : 951,598,247.92 = 376,303,776.17 : x
  2. Step 2: Convert to fraction form
    689,549,385.51/951,598,247.92 = 376,303,776.17/x
  3. Step 3: Cross multiply
    689,549,385.51x = 951,598,247.92 × 376,303,776.17
  4. Step 4: Simplify right side
    689,549,385.51x = 358,090,014,083,353,152
  5. Step 5: Solve for x
    x = 358,090,014,083,353,152/689,549,385.51
  6. Step 6: Final answer
    x = 519,310,177.93

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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.