Home / 12,957,744,783.60-17,881,598,777.40-7,017,161,341.68

Finding the Fourth Proportional to 12,957,744,783.60, 17,881,598,777.40 and 7,017,161,341.68

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Solution

The fourth proportional to 12,957,744,783.60, 17,881,598,777.40 and 7,017,161,341.68 is: 9,683,634,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,744,783.60 : 17,881,598,777.40 = 7,017,161,341.68 : x
  2. Step 2: Convert to fraction form
    12,957,744,783.60/17,881,598,777.40 = 7,017,161,341.68/x
  3. Step 3: Cross multiply
    12,957,744,783.60x = 17,881,598,777.40 × 7,017,161,341.68
  4. Step 4: Simplify right side
    12,957,744,783.60x = 125,478,063,668,203,651,072
  5. Step 5: Solve for x
    x = 125,478,063,668,203,651,072/12,957,744,783.60
  6. Step 6: Final answer
    x = 9,683,634,441.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.