Home / 676,578,828.30-1,014,980,216.85-288,587,532.30

Finding the Fourth Proportional to 676,578,828.30, 1,014,980,216.85 and 288,587,532.30

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Solution

The fourth proportional to 676,578,828.30, 1,014,980,216.85 and 288,587,532.30 is: 432,929,059.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,578,828.30 : 1,014,980,216.85 = 288,587,532.30 : x
  2. Step 2: Convert to fraction form
    676,578,828.30/1,014,980,216.85 = 288,587,532.30/x
  3. Step 3: Cross multiply
    676,578,828.30x = 1,014,980,216.85 × 288,587,532.30
  4. Step 4: Simplify right side
    676,578,828.30x = 292,910,636,114,060,416
  5. Step 5: Solve for x
    x = 292,910,636,114,060,416/676,578,828.30
  6. Step 6: Final answer
    x = 432,929,059.94

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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.