Home / 716,480,663.86-1,075,130,537.55-388,982,804.80

Finding the Fourth Proportional to 716,480,663.86, 1,075,130,537.55 and 388,982,804.80

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Solution

The fourth proportional to 716,480,663.86, 1,075,130,537.55 and 388,982,804.80 is: 583,696,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,480,663.86 : 1,075,130,537.55 = 388,982,804.80 : x
  2. Step 2: Convert to fraction form
    716,480,663.86/1,075,130,537.55 = 388,982,804.80/x
  3. Step 3: Cross multiply
    716,480,663.86x = 1,075,130,537.55 × 388,982,804.80
  4. Step 4: Simplify right side
    716,480,663.86x = 418,207,292,022,330,688
  5. Step 5: Solve for x
    x = 418,207,292,022,330,688/716,480,663.86
  6. Step 6: Final answer
    x = 583,696,550.54

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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.