Home / 1,369,442,969.01-1,889,671,864.61-766,646,600.35

Finding the Fourth Proportional to 1,369,442,969.01, 1,889,671,864.61 and 766,646,600.35

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Solution

The fourth proportional to 1,369,442,969.01, 1,889,671,864.61 and 766,646,600.35 is: 1,057,883,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,442,969.01 : 1,889,671,864.61 = 766,646,600.35 : x
  2. Step 2: Convert to fraction form
    1,369,442,969.01/1,889,671,864.61 = 766,646,600.35/x
  3. Step 3: Cross multiply
    1,369,442,969.01x = 1,889,671,864.61 × 766,646,600.35
  4. Step 4: Simplify right side
    1,369,442,969.01x = 1,448,710,510,786,300,160
  5. Step 5: Solve for x
    x = 1,448,710,510,786,300,160/1,369,442,969.01
  6. Step 6: Final answer
    x = 1,057,883,054.33

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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.