Home / 760,628,749.19-1,049,666,877.79-426,103,626.40

Finding the Fourth Proportional to 760,628,749.19, 1,049,666,877.79 and 426,103,626.40

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Solution

The fourth proportional to 760,628,749.19, 1,049,666,877.79 and 426,103,626.40 is: 588,022,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,628,749.19 : 1,049,666,877.79 = 426,103,626.40 : x
  2. Step 2: Convert to fraction form
    760,628,749.19/1,049,666,877.79 = 426,103,626.40/x
  3. Step 3: Cross multiply
    760,628,749.19x = 1,049,666,877.79 × 426,103,626.40
  4. Step 4: Simplify right side
    760,628,749.19x = 447,266,863,142,955,136
  5. Step 5: Solve for x
    x = 447,266,863,142,955,136/760,628,749.19
  6. Step 6: Final answer
    x = 588,022,558.47

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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.