Home / 408,341,345,254.23-563,765,369,282.22-259,938,972,415.86

Finding the Fourth Proportional to 408,341,345,254.23, 563,765,369,282.22 and 259,938,972,415.86

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Solution

The fourth proportional to 408,341,345,254.23, 563,765,369,282.22 and 259,938,972,415.86 is: 358,877,670,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,341,345,254.23 : 563,765,369,282.22 = 259,938,972,415.86 : x
  2. Step 2: Convert to fraction form
    408,341,345,254.23/563,765,369,282.22 = 259,938,972,415.86/x
  3. Step 3: Cross multiply
    408,341,345,254.23x = 563,765,369,282.22 × 259,938,972,415.86
  4. Step 4: Simplify right side
    408,341,345,254.23x = 146,544,590,774,868,098,678,784
  5. Step 5: Solve for x
    x = 146,544,590,774,868,098,678,784/408,341,345,254.23
  6. Step 6: Final answer
    x = 358,877,670,551.90

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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.