Home / 344,927,712.70-517,391,569.05-313,182,970.30

Finding the Fourth Proportional to 344,927,712.70, 517,391,569.05 and 313,182,970.30

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Solution

The fourth proportional to 344,927,712.70, 517,391,569.05 and 313,182,970.30 is: 469,774,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,927,712.70 : 517,391,569.05 = 313,182,970.30 : x
  2. Step 2: Convert to fraction form
    344,927,712.70/517,391,569.05 = 313,182,970.30/x
  3. Step 3: Cross multiply
    344,927,712.70x = 517,391,569.05 × 313,182,970.30
  4. Step 4: Simplify right side
    344,927,712.70x = 162,038,228,403,256,544
  5. Step 5: Solve for x
    x = 162,038,228,403,256,544/344,927,712.70
  6. Step 6: Final answer
    x = 469,774,455.45

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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.