Home / 837,398,812.76-1,256,234,663.86-247,248,708.46

Finding the Fourth Proportional to 837,398,812.76, 1,256,234,663.86 and 247,248,708.46

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Solution

The fourth proportional to 837,398,812.76, 1,256,234,663.86 and 247,248,708.46 is: 370,913,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,398,812.76 : 1,256,234,663.86 = 247,248,708.46 : x
  2. Step 2: Convert to fraction form
    837,398,812.76/1,256,234,663.86 = 247,248,708.46/x
  3. Step 3: Cross multiply
    837,398,812.76x = 1,256,234,663.86 × 247,248,708.46
  4. Step 4: Simplify right side
    837,398,812.76x = 310,602,398,158,308,544
  5. Step 5: Solve for x
    x = 310,602,398,158,308,544/837,398,812.76
  6. Step 6: Final answer
    x = 370,913,349.08

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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.