Home / 550,881,314.68-760,208,703.40-312,724,427.64

Finding the Fourth Proportional to 550,881,314.68, 760,208,703.40 and 312,724,427.64

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Solution

The fourth proportional to 550,881,314.68, 760,208,703.40 and 312,724,427.64 is: 431,555,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,881,314.68 : 760,208,703.40 = 312,724,427.64 : x
  2. Step 2: Convert to fraction form
    550,881,314.68/760,208,703.40 = 312,724,427.64/x
  3. Step 3: Cross multiply
    550,881,314.68x = 760,208,703.40 × 312,724,427.64
  4. Step 4: Simplify right side
    550,881,314.68x = 237,735,831,657,711,488
  5. Step 5: Solve for x
    x = 237,735,831,657,711,488/550,881,314.68
  6. Step 6: Final answer
    x = 431,555,446.38

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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.