Home / 374,814,483.44-517,249,269.66-215,956,810.40

Finding the Fourth Proportional to 374,814,483.44, 517,249,269.66 and 215,956,810.40

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Solution

The fourth proportional to 374,814,483.44, 517,249,269.66 and 215,956,810.40 is: 298,023,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,814,483.44 : 517,249,269.66 = 215,956,810.40 : x
  2. Step 2: Convert to fraction form
    374,814,483.44/517,249,269.66 = 215,956,810.40/x
  3. Step 3: Cross multiply
    374,814,483.44x = 517,249,269.66 × 215,956,810.40
  4. Step 4: Simplify right side
    374,814,483.44x = 111,703,502,457,503,104
  5. Step 5: Solve for x
    x = 111,703,502,457,503,104/374,814,483.44
  6. Step 6: Final answer
    x = 298,023,441.98

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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.