Home / 1,372,985,818.51-1,895,123,665.29-896,748,992.55

Finding the Fourth Proportional to 1,372,985,818.51, 1,895,123,665.29 and 896,748,992.55

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Solution

The fourth proportional to 1,372,985,818.51, 1,895,123,665.29 and 896,748,992.55 is: 1,237,776,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,985,818.51 : 1,895,123,665.29 = 896,748,992.55 : x
  2. Step 2: Convert to fraction form
    1,372,985,818.51/1,895,123,665.29 = 896,748,992.55/x
  3. Step 3: Cross multiply
    1,372,985,818.51x = 1,895,123,665.29 × 896,748,992.55
  4. Step 4: Simplify right side
    1,372,985,818.51x = 1,699,450,237,602,166,528
  5. Step 5: Solve for x
    x = 1,699,450,237,602,166,528/1,372,985,818.51
  6. Step 6: Final answer
    x = 1,237,776,978.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.