Home / 747,527,983.40-1,121,291,975.10-441,417,967.40

Finding the Fourth Proportional to 747,527,983.40, 1,121,291,975.10 and 441,417,967.40

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Solution

The fourth proportional to 747,527,983.40, 1,121,291,975.10 and 441,417,967.40 is: 662,126,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,527,983.40 : 1,121,291,975.10 = 441,417,967.40 : x
  2. Step 2: Convert to fraction form
    747,527,983.40/1,121,291,975.10 = 441,417,967.40/x
  3. Step 3: Cross multiply
    747,527,983.40x = 1,121,291,975.10 × 441,417,967.40
  4. Step 4: Simplify right side
    747,527,983.40x = 494,958,424,510,573,312
  5. Step 5: Solve for x
    x = 494,958,424,510,573,312/747,527,983.40
  6. Step 6: Final answer
    x = 662,126,951.10

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Half scale
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Double scale
Find fourth proportional to 747,527,984.40, 1,121,291,976.60 and 441,417,968.40
Similar ratio
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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.