Home / 965,712,871.20-1,448,947,220.40-352,359,098.40

Finding the Fourth Proportional to 965,712,871.20, 1,448,947,220.40 and 352,359,098.40

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Solution

The fourth proportional to 965,712,871.20, 1,448,947,220.40 and 352,359,098.40 is: 528,676,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,712,871.20 : 1,448,947,220.40 = 352,359,098.40 : x
  2. Step 2: Convert to fraction form
    965,712,871.20/1,448,947,220.40 = 352,359,098.40/x
  3. Step 3: Cross multiply
    965,712,871.20x = 1,448,947,220.40 × 352,359,098.40
  4. Step 4: Simplify right side
    965,712,871.20x = 510,549,736,209,330,112
  5. Step 5: Solve for x
    x = 510,549,736,209,330,112/965,712,871.20
  6. Step 6: Final answer
    x = 528,676,536.72

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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.