Home / 915,736,247.39-1,374,169,360.79-424,357,927.18

Finding the Fourth Proportional to 915,736,247.39, 1,374,169,360.79 and 424,357,927.18

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Solution

The fourth proportional to 915,736,247.39, 1,374,169,360.79 and 424,357,927.18 is: 636,798,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,736,247.39 : 1,374,169,360.79 = 424,357,927.18 : x
  2. Step 2: Convert to fraction form
    915,736,247.39/1,374,169,360.79 = 424,357,927.18/x
  3. Step 3: Cross multiply
    915,736,247.39x = 1,374,169,360.79 × 424,357,927.18
  4. Step 4: Simplify right side
    915,736,247.39x = 583,139,661,536,735,488
  5. Step 5: Solve for x
    x = 583,139,661,536,735,488/915,736,247.39
  6. Step 6: Final answer
    x = 636,798,710.54

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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.