Home / 1,219,711,123,802.90-1,685,616,376,167.30-999,632,695,897.24

Finding the Fourth Proportional to 1,219,711,123,802.90, 1,685,616,376,167.30 and 999,632,695,897.24

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Solution

The fourth proportional to 1,219,711,123,802.90, 1,685,616,376,167.30 and 999,632,695,897.24 is: 1,381,472,390,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,711,123,802.90 : 1,685,616,376,167.30 = 999,632,695,897.24 : x
  2. Step 2: Convert to fraction form
    1,219,711,123,802.90/1,685,616,376,167.30 = 999,632,695,897.24/x
  3. Step 3: Cross multiply
    1,219,711,123,802.90x = 1,685,616,376,167.30 × 999,632,695,897.24
  4. Step 4: Simplify right side
    1,219,711,123,802.90x = 1,684,997,242,356,654,342,668,288
  5. Step 5: Solve for x
    x = 1,684,997,242,356,654,342,668,288/1,219,711,123,802.90
  6. Step 6: Final answer
    x = 1,381,472,390,858.46

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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.