Home / 569,806,559.76-786,357,628.04-315,487,914.21

Finding the Fourth Proportional to 569,806,559.76, 786,357,628.04 and 315,487,914.21

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Solution

The fourth proportional to 569,806,559.76, 786,357,628.04 and 315,487,914.21 is: 435,386,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,806,559.76 : 786,357,628.04 = 315,487,914.21 : x
  2. Step 2: Convert to fraction form
    569,806,559.76/786,357,628.04 = 315,487,914.21/x
  3. Step 3: Cross multiply
    569,806,559.76x = 786,357,628.04 × 315,487,914.21
  4. Step 4: Simplify right side
    569,806,559.76x = 248,086,327,894,251,328
  5. Step 5: Solve for x
    x = 248,086,327,894,251,328/569,806,559.76
  6. Step 6: Final answer
    x = 435,386,928.50

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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.