Home / 745,120,719.40-1,117,681,079.10-740,018,885.80

Finding the Fourth Proportional to 745,120,719.40, 1,117,681,079.10 and 740,018,885.80

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Solution

The fourth proportional to 745,120,719.40, 1,117,681,079.10 and 740,018,885.80 is: 1,110,028,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,120,719.40 : 1,117,681,079.10 = 740,018,885.80 : x
  2. Step 2: Convert to fraction form
    745,120,719.40/1,117,681,079.10 = 740,018,885.80/x
  3. Step 3: Cross multiply
    745,120,719.40x = 1,117,681,079.10 × 740,018,885.80
  4. Step 4: Simplify right side
    745,120,719.40x = 827,105,106,835,323,520
  5. Step 5: Solve for x
    x = 827,105,106,835,323,520/745,120,719.40
  6. Step 6: Final answer
    x = 1,110,028,328.70

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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.