Home / 384,779,711.53-530,981,776.29-208,563,923.50

Finding the Fourth Proportional to 384,779,711.53, 530,981,776.29 and 208,563,923.50

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Solution

The fourth proportional to 384,779,711.53, 530,981,776.29 and 208,563,923.50 is: 287,810,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,779,711.53 : 530,981,776.29 = 208,563,923.50 : x
  2. Step 2: Convert to fraction form
    384,779,711.53/530,981,776.29 = 208,563,923.50/x
  3. Step 3: Cross multiply
    384,779,711.53x = 530,981,776.29 × 208,563,923.50
  4. Step 4: Simplify right side
    384,779,711.53x = 110,743,642,570,041,680
  5. Step 5: Solve for x
    x = 110,743,642,570,041,680/384,779,711.53
  6. Step 6: Final answer
    x = 287,810,503.65

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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.