Home / 1,065,312,065.60-1,597,968,098.40-772,806,939.20

Finding the Fourth Proportional to 1,065,312,065.60, 1,597,968,098.40 and 772,806,939.20

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Solution

The fourth proportional to 1,065,312,065.60, 1,597,968,098.40 and 772,806,939.20 is: 1,159,210,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,312,065.60 : 1,597,968,098.40 = 772,806,939.20 : x
  2. Step 2: Convert to fraction form
    1,065,312,065.60/1,597,968,098.40 = 772,806,939.20/x
  3. Step 3: Cross multiply
    1,065,312,065.60x = 1,597,968,098.40 × 772,806,939.20
  4. Step 4: Simplify right side
    1,065,312,065.60x = 1,234,920,835,063,748,608
  5. Step 5: Solve for x
    x = 1,234,920,835,063,748,608/1,065,312,065.60
  6. Step 6: Final answer
    x = 1,159,210,408.80

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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.