Home / 753,415,749.40-1,130,123,624.10-549,342,405.40

Finding the Fourth Proportional to 753,415,749.40, 1,130,123,624.10 and 549,342,405.40

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Solution

The fourth proportional to 753,415,749.40, 1,130,123,624.10 and 549,342,405.40 is: 824,013,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,415,749.40 : 1,130,123,624.10 = 549,342,405.40 : x
  2. Step 2: Convert to fraction form
    753,415,749.40/1,130,123,624.10 = 549,342,405.40/x
  3. Step 3: Cross multiply
    753,415,749.40x = 1,130,123,624.10 × 549,342,405.40
  4. Step 4: Simplify right side
    753,415,749.40x = 620,824,830,062,459,392
  5. Step 5: Solve for x
    x = 620,824,830,062,459,392/753,415,749.40
  6. Step 6: Final answer
    x = 824,013,608.10

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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.