Home / 1,243,581,133.10-1,866,017,285.64-507,191,289.26

Finding the Fourth Proportional to 1,243,581,133.10, 1,866,017,285.64 and 507,191,289.26

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Solution

The fourth proportional to 1,243,581,133.10, 1,866,017,285.64 and 507,191,289.26 is: 761,050,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,581,133.10 : 1,866,017,285.64 = 507,191,289.26 : x
  2. Step 2: Convert to fraction form
    1,243,581,133.10/1,866,017,285.64 = 507,191,289.26/x
  3. Step 3: Cross multiply
    1,243,581,133.10x = 1,866,017,285.64 × 507,191,289.26
  4. Step 4: Simplify right side
    1,243,581,133.10x = 946,427,712,875,867,264
  5. Step 5: Solve for x
    x = 946,427,712,875,867,264/1,243,581,133.10
  6. Step 6: Final answer
    x = 761,050,234.43

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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.