Home / 583,460,711.90-805,178,208.31-315,536,544.38

Finding the Fourth Proportional to 583,460,711.90, 805,178,208.31 and 315,536,544.38

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Solution

The fourth proportional to 583,460,711.90, 805,178,208.31 and 315,536,544.38 is: 435,441,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,460,711.90 : 805,178,208.31 = 315,536,544.38 : x
  2. Step 2: Convert to fraction form
    583,460,711.90/805,178,208.31 = 315,536,544.38/x
  3. Step 3: Cross multiply
    583,460,711.90x = 805,178,208.31 × 315,536,544.38
  4. Step 4: Simplify right side
    583,460,711.90x = 254,063,149,461,441,312
  5. Step 5: Solve for x
    x = 254,063,149,461,441,312/583,460,711.90
  6. Step 6: Final answer
    x = 435,441,743.17

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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.