Home / 896,806,903.20-1,345,210,354.80-550,638,045.60

Finding the Fourth Proportional to 896,806,903.20, 1,345,210,354.80 and 550,638,045.60

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Solution

The fourth proportional to 896,806,903.20, 1,345,210,354.80 and 550,638,045.60 is: 825,957,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,806,903.20 : 1,345,210,354.80 = 550,638,045.60 : x
  2. Step 2: Convert to fraction form
    896,806,903.20/1,345,210,354.80 = 550,638,045.60/x
  3. Step 3: Cross multiply
    896,806,903.20x = 1,345,210,354.80 × 550,638,045.60
  4. Step 4: Simplify right side
    896,806,903.20x = 740,724,000,687,954,560
  5. Step 5: Solve for x
    x = 740,724,000,687,954,560/896,806,903.20
  6. Step 6: Final answer
    x = 825,957,068.40

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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.