Home / 372,239,218.40-558,358,827.60-208,980,543.20

Finding the Fourth Proportional to 372,239,218.40, 558,358,827.60 and 208,980,543.20

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Solution

The fourth proportional to 372,239,218.40, 558,358,827.60 and 208,980,543.20 is: 313,470,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,239,218.40 : 558,358,827.60 = 208,980,543.20 : x
  2. Step 2: Convert to fraction form
    372,239,218.40/558,358,827.60 = 208,980,543.20/x
  3. Step 3: Cross multiply
    372,239,218.40x = 558,358,827.60 × 208,980,543.20
  4. Step 4: Simplify right side
    372,239,218.40x = 116,686,131,092,363,152
  5. Step 5: Solve for x
    x = 116,686,131,092,363,152/372,239,218.40
  6. Step 6: Final answer
    x = 313,470,814.80

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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.