Home / 1,440,819,434,985.40-2,161,153,035,315.90-472,600,338,275.30

Finding the Fourth Proportional to 1,440,819,434,985.40, 2,161,153,035,315.90 and 472,600,338,275.30

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Solution

The fourth proportional to 1,440,819,434,985.40, 2,161,153,035,315.90 and 472,600,338,275.30 is: 708,875,540,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,819,434,985.40 : 2,161,153,035,315.90 = 472,600,338,275.30 : x
  2. Step 2: Convert to fraction form
    1,440,819,434,985.40/2,161,153,035,315.90 = 472,600,338,275.30/x
  3. Step 3: Cross multiply
    1,440,819,434,985.40x = 2,161,153,035,315.90 × 472,600,338,275.30
  4. Step 4: Simplify right side
    1,440,819,434,985.40x = 1,021,361,655,554,985,607,299,072
  5. Step 5: Solve for x
    x = 1,021,361,655,554,985,607,299,072/1,440,819,434,985.40
  6. Step 6: Final answer
    x = 708,875,540,372.85

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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.