Home / 501,980,262.93-692,749,584-278,971,342.38

Finding the Fourth Proportional to 501,980,262.93, 692,749,584 and 278,971,342.38

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Solution

The fourth proportional to 501,980,262.93, 692,749,584 and 278,971,342.38 is: 384,989,800.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,980,262.93 : 692,749,584 = 278,971,342.38 : x
  2. Step 2: Convert to fraction form
    501,980,262.93/692,749,584 = 278,971,342.38/x
  3. Step 3: Cross multiply
    501,980,262.93x = 692,749,584 × 278,971,342.38
  4. Step 4: Simplify right side
    501,980,262.93x = 193,257,281,381,666,560
  5. Step 5: Solve for x
    x = 193,257,281,381,666,560/501,980,262.93
  6. Step 6: Final answer
    x = 384,989,800.70

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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.