Home / 434,316,856.60-651,569,763.30-143,134,427.80

Finding the Fourth Proportional to 434,316,856.60, 651,569,763.30 and 143,134,427.80

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Solution

The fourth proportional to 434,316,856.60, 651,569,763.30 and 143,134,427.80 is: 214,732,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,316,856.60 : 651,569,763.30 = 143,134,427.80 : x
  2. Step 2: Convert to fraction form
    434,316,856.60/651,569,763.30 = 143,134,427.80/x
  3. Step 3: Cross multiply
    434,316,856.60x = 651,569,763.30 × 143,134,427.80
  4. Step 4: Simplify right side
    434,316,856.60x = 93,262,065,241,726,944
  5. Step 5: Solve for x
    x = 93,262,065,241,726,944/434,316,856.60
  6. Step 6: Final answer
    x = 214,732,778.21

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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.