Home / 647,731,983,450.70-893,898,235,315.05-358,700,242,839.35

Finding the Fourth Proportional to 647,731,983,450.70, 893,898,235,315.05 and 358,700,242,839.35

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Solution

The fourth proportional to 647,731,983,450.70, 893,898,235,315.05 and 358,700,242,839.35 is: 495,021,895,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,731,983,450.70 : 893,898,235,315.05 = 358,700,242,839.35 : x
  2. Step 2: Convert to fraction form
    647,731,983,450.70/893,898,235,315.05 = 358,700,242,839.35/x
  3. Step 3: Cross multiply
    647,731,983,450.70x = 893,898,235,315.05 × 358,700,242,839.35
  4. Step 4: Simplify right side
    647,731,983,450.70x = 320,641,514,081,174,882,877,440
  5. Step 5: Solve for x
    x = 320,641,514,081,174,882,877,440/647,731,983,450.70
  6. Step 6: Final answer
    x = 495,021,895,279.90

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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.