Home / 783,732,651.66-1,081,550,741.58-431,308,641.15

Finding the Fourth Proportional to 783,732,651.66, 1,081,550,741.58 and 431,308,641.15

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Solution

The fourth proportional to 783,732,651.66, 1,081,550,741.58 and 431,308,641.15 is: 595,205,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,732,651.66 : 1,081,550,741.58 = 431,308,641.15 : x
  2. Step 2: Convert to fraction form
    783,732,651.66/1,081,550,741.58 = 431,308,641.15/x
  3. Step 3: Cross multiply
    783,732,651.66x = 1,081,550,741.58 × 431,308,641.15
  4. Step 4: Simplify right side
    783,732,651.66x = 466,482,180,685,644,544
  5. Step 5: Solve for x
    x = 466,482,180,685,644,544/783,732,651.66
  6. Step 6: Final answer
    x = 595,205,749.94

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1.5x scale

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.