Home / 28,535,083,065,420-42,779,526,472,743-8,921,132,906,708.20

Finding the Fourth Proportional to 28,535,083,065,420, 42,779,526,472,743 and 8,921,132,906,708.20

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Solution

The fourth proportional to 28,535,083,065,420, 42,779,526,472,743 and 8,921,132,906,708.20 is: 13,374,478,023,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535,083,065,420 : 42,779,526,472,743 = 8,921,132,906,708.20 : x
  2. Step 2: Convert to fraction form
    28,535,083,065,420/42,779,526,472,743 = 8,921,132,906,708.20/x
  3. Step 3: Cross multiply
    28,535,083,065,420x = 42,779,526,472,743 × 8,921,132,906,708.20
  4. Step 4: Simplify right side
    28,535,083,065,420x = 381,641,841,349,382,137,907,773,440
  5. Step 5: Solve for x
    x = 381,641,841,349,382,137,907,773,440/28,535,083,065,420
  6. Step 6: Final answer
    x = 13,374,478,023,225.79

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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.