Home / 497,759,008.18-686,804,883.96-286,024,927.18

Finding the Fourth Proportional to 497,759,008.18, 686,804,883.96 and 286,024,927.18

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Solution

The fourth proportional to 497,759,008.18, 686,804,883.96 and 286,024,927.18 is: 394,655,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,759,008.18 : 686,804,883.96 = 286,024,927.18 : x
  2. Step 2: Convert to fraction form
    497,759,008.18/686,804,883.96 = 286,024,927.18/x
  3. Step 3: Cross multiply
    497,759,008.18x = 686,804,883.96 × 286,024,927.18
  4. Step 4: Simplify right side
    497,759,008.18x = 196,443,316,921,527,360
  5. Step 5: Solve for x
    x = 196,443,316,921,527,360/497,759,008.18
  6. Step 6: Final answer
    x = 394,655,473.22

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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.