Home / 670,985,355.02-1,006,010,384.49-297,290,118.71

Finding the Fourth Proportional to 670,985,355.02, 1,006,010,384.49 and 297,290,118.71

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Solution

The fourth proportional to 670,985,355.02, 1,006,010,384.49 and 297,290,118.71 is: 445,727,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,985,355.02 : 1,006,010,384.49 = 297,290,118.71 : x
  2. Step 2: Convert to fraction form
    670,985,355.02/1,006,010,384.49 = 297,290,118.71/x
  3. Step 3: Cross multiply
    670,985,355.02x = 1,006,010,384.49 × 297,290,118.71
  4. Step 4: Simplify right side
    670,985,355.02x = 299,076,946,631,039,872
  5. Step 5: Solve for x
    x = 299,076,946,631,039,872/670,985,355.02
  6. Step 6: Final answer
    x = 445,727,979.60

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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.