Home / 445,746,398.56-615,126,820.08-247,506,920.80

Finding the Fourth Proportional to 445,746,398.56, 615,126,820.08 and 247,506,920.80

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Solution

The fourth proportional to 445,746,398.56, 615,126,820.08 and 247,506,920.80 is: 341,557,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,746,398.56 : 615,126,820.08 = 247,506,920.80 : x
  2. Step 2: Convert to fraction form
    445,746,398.56/615,126,820.08 = 247,506,920.80/x
  3. Step 3: Cross multiply
    445,746,398.56x = 615,126,820.08 × 247,506,920.80
  4. Step 4: Simplify right side
    445,746,398.56x = 152,248,145,139,496,416
  5. Step 5: Solve for x
    x = 152,248,145,139,496,416/445,746,398.56
  6. Step 6: Final answer
    x = 341,557,768.34

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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.