Home / 670,985,385.81-1,006,010,430.53-297,290,149.53

Finding the Fourth Proportional to 670,985,385.81, 1,006,010,430.53 and 297,290,149.53

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Solution

The fourth proportional to 670,985,385.81, 1,006,010,430.53 and 297,290,149.53 is: 445,728,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,985,385.81 : 1,006,010,430.53 = 297,290,149.53 : x
  2. Step 2: Convert to fraction form
    670,985,385.81/1,006,010,430.53 = 297,290,149.53/x
  3. Step 3: Cross multiply
    670,985,385.81x = 1,006,010,430.53 × 297,290,149.53
  4. Step 4: Simplify right side
    670,985,385.81x = 299,076,991,319,516,864
  5. Step 5: Solve for x
    x = 299,076,991,319,516,864/670,985,385.81
  6. Step 6: Final answer
    x = 445,728,025.74

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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.