Home / 514,944,005.80-772,416,008.70-191,785,887.40

Finding the Fourth Proportional to 514,944,005.80, 772,416,008.70 and 191,785,887.40

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Solution

The fourth proportional to 514,944,005.80, 772,416,008.70 and 191,785,887.40 is: 287,678,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,944,005.80 : 772,416,008.70 = 191,785,887.40 : x
  2. Step 2: Convert to fraction form
    514,944,005.80/772,416,008.70 = 191,785,887.40/x
  3. Step 3: Cross multiply
    514,944,005.80x = 772,416,008.70 × 191,785,887.40
  4. Step 4: Simplify right side
    514,944,005.80x = 148,138,489,670,495,648
  5. Step 5: Solve for x
    x = 148,138,489,670,495,648/514,944,005.80
  6. Step 6: Final answer
    x = 287,678,831.10

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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.