Home / 10,208,606,402.80-15,312,909,604.20-9,588,733,620.40

Finding the Fourth Proportional to 10,208,606,402.80, 15,312,909,604.20 and 9,588,733,620.40

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Solution

The fourth proportional to 10,208,606,402.80, 15,312,909,604.20 and 9,588,733,620.40 is: 14,383,100,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,606,402.80 : 15,312,909,604.20 = 9,588,733,620.40 : x
  2. Step 2: Convert to fraction form
    10,208,606,402.80/15,312,909,604.20 = 9,588,733,620.40/x
  3. Step 3: Cross multiply
    10,208,606,402.80x = 15,312,909,604.20 × 9,588,733,620.40
  4. Step 4: Simplify right side
    10,208,606,402.80x = 146,831,411,147,938,594,816
  5. Step 5: Solve for x
    x = 146,831,411,147,938,594,816/10,208,606,402.80
  6. Step 6: Final answer
    x = 14,383,100,430.60

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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.