Home / 1,228,460,724-1,695,287,079.24-699,816,875.16

Finding the Fourth Proportional to 1,228,460,724, 1,695,287,079.24 and 699,816,875.16

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Solution

The fourth proportional to 1,228,460,724, 1,695,287,079.24 and 699,816,875.16 is: 965,753,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,460,724 : 1,695,287,079.24 = 699,816,875.16 : x
  2. Step 2: Convert to fraction form
    1,228,460,724/1,695,287,079.24 = 699,816,875.16/x
  3. Step 3: Cross multiply
    1,228,460,724x = 1,695,287,079.24 × 699,816,875.16
  4. Step 4: Simplify right side
    1,228,460,724x = 1,186,390,506,292,860,160
  5. Step 5: Solve for x
    x = 1,186,390,506,292,860,160/1,228,460,724
  6. Step 6: Final answer
    x = 965,753,713.66

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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.