Home / 845,782,699.76-1,269,919,437.60-473,020,910.36

Finding the Fourth Proportional to 845,782,699.76, 1,269,919,437.60 and 473,020,910.36

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Solution

The fourth proportional to 845,782,699.76, 1,269,919,437.60 and 473,020,910.36 is: 710,227,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,782,699.76 : 1,269,919,437.60 = 473,020,910.36 : x
  2. Step 2: Convert to fraction form
    845,782,699.76/1,269,919,437.60 = 473,020,910.36/x
  3. Step 3: Cross multiply
    845,782,699.76x = 1,269,919,437.60 × 473,020,910.36
  4. Step 4: Simplify right side
    845,782,699.76x = 600,698,448,457,411,200
  5. Step 5: Solve for x
    x = 600,698,448,457,411,200/845,782,699.76
  6. Step 6: Final answer
    x = 710,227,873.69

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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.