Home / 549,377,965.40-824,066,948.10-185,872,321.40

Finding the Fourth Proportional to 549,377,965.40, 824,066,948.10 and 185,872,321.40

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Solution

The fourth proportional to 549,377,965.40, 824,066,948.10 and 185,872,321.40 is: 278,808,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,377,965.40 : 824,066,948.10 = 185,872,321.40 : x
  2. Step 2: Convert to fraction form
    549,377,965.40/824,066,948.10 = 185,872,321.40/x
  3. Step 3: Cross multiply
    549,377,965.40x = 824,066,948.10 × 185,872,321.40
  4. Step 4: Simplify right side
    549,377,965.40x = 153,171,236,632,360,320
  5. Step 5: Solve for x
    x = 153,171,236,632,360,320/549,377,965.40
  6. Step 6: Final answer
    x = 278,808,482.10

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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.