Home / 977,761,070.20-1,466,901,420.90-424,826,234.20

Finding the Fourth Proportional to 977,761,070.20, 1,466,901,420.90 and 424,826,234.20

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Solution

The fourth proportional to 977,761,070.20, 1,466,901,420.90 and 424,826,234.20 is: 637,352,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,761,070.20 : 1,466,901,420.90 = 424,826,234.20 : x
  2. Step 2: Convert to fraction form
    977,761,070.20/1,466,901,420.90 = 424,826,234.20/x
  3. Step 3: Cross multiply
    977,761,070.20x = 1,466,901,420.90 × 424,826,234.20
  4. Step 4: Simplify right side
    977,761,070.20x = 623,178,206,583,576,192
  5. Step 5: Solve for x
    x = 623,178,206,583,576,192/977,761,070.20
  6. Step 6: Final answer
    x = 637,352,238.27

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1.5x scale

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.