Home / 465,064,359.40-697,596,539.10-422,017,638.40

Finding the Fourth Proportional to 465,064,359.40, 697,596,539.10 and 422,017,638.40

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Solution

The fourth proportional to 465,064,359.40, 697,596,539.10 and 422,017,638.40 is: 633,026,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,064,359.40 : 697,596,539.10 = 422,017,638.40 : x
  2. Step 2: Convert to fraction form
    465,064,359.40/697,596,539.10 = 422,017,638.40/x
  3. Step 3: Cross multiply
    465,064,359.40x = 697,596,539.10 × 422,017,638.40
  4. Step 4: Simplify right side
    465,064,359.40x = 294,398,043,986,995,264
  5. Step 5: Solve for x
    x = 294,398,043,986,995,264/465,064,359.40
  6. Step 6: Final answer
    x = 633,026,457.60

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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.