Home / 549,504,653.40-824,256,980.10-545,678,278.20

Finding the Fourth Proportional to 549,504,653.40, 824,256,980.10 and 545,678,278.20

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Solution

The fourth proportional to 549,504,653.40, 824,256,980.10 and 545,678,278.20 is: 818,517,417.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,504,653.40 : 824,256,980.10 = 545,678,278.20 : x
  2. Step 2: Convert to fraction form
    549,504,653.40/824,256,980.10 = 545,678,278.20/x
  3. Step 3: Cross multiply
    549,504,653.40x = 824,256,980.10 × 545,678,278.20
  4. Step 4: Simplify right side
    549,504,653.40x = 449,779,129,695,299,712
  5. Step 5: Solve for x
    x = 449,779,129,695,299,712/549,504,653.40
  6. Step 6: Final answer
    x = 818,517,417.30

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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.