Home / 1,157,458,421,959.10-1,597,293,946,539.90-643,613,184,008.95

Finding the Fourth Proportional to 1,157,458,421,959.10, 1,597,293,946,539.90 and 643,613,184,008.95

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Solution

The fourth proportional to 1,157,458,421,959.10, 1,597,293,946,539.90 and 643,613,184,008.95 is: 888,186,930,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,458,421,959.10 : 1,597,293,946,539.90 = 643,613,184,008.95 : x
  2. Step 2: Convert to fraction form
    1,157,458,421,959.10/1,597,293,946,539.90 = 643,613,184,008.95/x
  3. Step 3: Cross multiply
    1,157,458,421,959.10x = 1,597,293,946,539.90 × 643,613,184,008.95
  4. Step 4: Simplify right side
    1,157,458,421,959.10x = 1,028,039,442,730,766,515,044,352
  5. Step 5: Solve for x
    x = 1,028,039,442,730,766,515,044,352/1,157,458,421,959.10
  6. Step 6: Final answer
    x = 888,186,930,283.61

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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.