Home / 564,711,479.47-779,320,743.64-313,826,445.67

Finding the Fourth Proportional to 564,711,479.47, 779,320,743.64 and 313,826,445.67

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Solution

The fourth proportional to 564,711,479.47, 779,320,743.64 and 313,826,445.67 is: 433,090,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,711,479.47 : 779,320,743.64 = 313,826,445.67 : x
  2. Step 2: Convert to fraction form
    564,711,479.47/779,320,743.64 = 313,826,445.67/x
  3. Step 3: Cross multiply
    564,711,479.47x = 779,320,743.64 × 313,826,445.67
  4. Step 4: Simplify right side
    564,711,479.47x = 244,571,459,013,442,464
  5. Step 5: Solve for x
    x = 244,571,459,013,442,464/564,711,479.47
  6. Step 6: Final answer
    x = 433,090,999.39

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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.