Home / 1,516,903,118.28-2,275,354,677.96-426,386,186.28

Finding the Fourth Proportional to 1,516,903,118.28, 2,275,354,677.96 and 426,386,186.28

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Solution

The fourth proportional to 1,516,903,118.28, 2,275,354,677.96 and 426,386,186.28 is: 639,579,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516,903,118.28 : 2,275,354,677.96 = 426,386,186.28 : x
  2. Step 2: Convert to fraction form
    1,516,903,118.28/2,275,354,677.96 = 426,386,186.28/x
  3. Step 3: Cross multiply
    1,516,903,118.28x = 2,275,354,677.96 × 426,386,186.28
  4. Step 4: Simplify right side
    1,516,903,118.28x = 970,179,803,569,721,984
  5. Step 5: Solve for x
    x = 970,179,803,569,721,984/1,516,903,118.28
  6. Step 6: Final answer
    x = 639,579,279.57

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Double scale
Find fourth proportional to 1,516,903,119.28, 2,275,354,679.46 and 426,386,187.28
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.