Home / 19,875,887,890.40-29,788,511,624.40-10,564,096,786.40

Finding the Fourth Proportional to 19,875,887,890.40, 29,788,511,624.40 and 10,564,096,786.40

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Solution

The fourth proportional to 19,875,887,890.40, 29,788,511,624.40 and 10,564,096,786.40 is: 15,832,687,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875,887,890.40 : 29,788,511,624.40 = 10,564,096,786.40 : x
  2. Step 2: Convert to fraction form
    19,875,887,890.40/29,788,511,624.40 = 10,564,096,786.40/x
  3. Step 3: Cross multiply
    19,875,887,890.40x = 29,788,511,624.40 × 10,564,096,786.40
  4. Step 4: Simplify right side
    19,875,887,890.40x = 314,688,719,922,963,087,360
  5. Step 5: Solve for x
    x = 314,688,719,922,963,087,360/19,875,887,890.40
  6. Step 6: Final answer
    x = 15,832,687,407.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.