Home / 753,415,720.40-1,130,123,580.60-549,342,376.40

Finding the Fourth Proportional to 753,415,720.40, 1,130,123,580.60 and 549,342,376.40

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Solution

The fourth proportional to 753,415,720.40, 1,130,123,580.60 and 549,342,376.40 is: 824,013,564.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,415,720.40 : 1,130,123,580.60 = 549,342,376.40 : x
  2. Step 2: Convert to fraction form
    753,415,720.40/1,130,123,580.60 = 549,342,376.40/x
  3. Step 3: Cross multiply
    753,415,720.40x = 1,130,123,580.60 × 549,342,376.40
  4. Step 4: Simplify right side
    753,415,720.40x = 620,824,773,392,480,896
  5. Step 5: Solve for x
    x = 620,824,773,392,480,896/753,415,720.40
  6. Step 6: Final answer
    x = 824,013,564.60

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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.