Home / 745,120,657.40-1,117,680,986.10-740,018,823.80

Finding the Fourth Proportional to 745,120,657.40, 1,117,680,986.10 and 740,018,823.80

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Solution

The fourth proportional to 745,120,657.40, 1,117,680,986.10 and 740,018,823.80 is: 1,110,028,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,120,657.40 : 1,117,680,986.10 = 740,018,823.80 : x
  2. Step 2: Convert to fraction form
    745,120,657.40/1,117,680,986.10 = 740,018,823.80/x
  3. Step 3: Cross multiply
    745,120,657.40x = 1,117,680,986.10 × 740,018,823.80
  4. Step 4: Simplify right side
    745,120,657.40x = 827,104,968,717,346,048
  5. Step 5: Solve for x
    x = 827,104,968,717,346,048/745,120,657.40
  6. Step 6: Final answer
    x = 1,110,028,235.70

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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.