Home / 708,849,801.70-1,063,274,702.55-613,298,313.70

Finding the Fourth Proportional to 708,849,801.70, 1,063,274,702.55 and 613,298,313.70

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Solution

The fourth proportional to 708,849,801.70, 1,063,274,702.55 and 613,298,313.70 is: 919,947,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,849,801.70 : 1,063,274,702.55 = 613,298,313.70 : x
  2. Step 2: Convert to fraction form
    708,849,801.70/1,063,274,702.55 = 613,298,313.70/x
  3. Step 3: Cross multiply
    708,849,801.70x = 1,063,274,702.55 × 613,298,313.70
  4. Step 4: Simplify right side
    708,849,801.70x = 652,104,582,073,784,064
  5. Step 5: Solve for x
    x = 652,104,582,073,784,064/708,849,801.70
  6. Step 6: Final answer
    x = 919,947,470.55

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1.5x scale

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.