Home / 553,086,047.69-763,259,566.60-314,931,426.19

Finding the Fourth Proportional to 553,086,047.69, 763,259,566.60 and 314,931,426.19

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Solution

The fourth proportional to 553,086,047.69, 763,259,566.60 and 314,931,426.19 is: 434,605,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,086,047.69 : 763,259,566.60 = 314,931,426.19 : x
  2. Step 2: Convert to fraction form
    553,086,047.69/763,259,566.60 = 314,931,426.19/x
  3. Step 3: Cross multiply
    553,086,047.69x = 763,259,566.60 × 314,931,426.19
  4. Step 4: Simplify right side
    553,086,047.69x = 240,374,423,861,373,568
  5. Step 5: Solve for x
    x = 240,374,423,861,373,568/553,086,047.69
  6. Step 6: Final answer
    x = 434,605,835.50

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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.