Home / 912,976,607.36-1,368,612,929.28-360,283,617.92

Finding the Fourth Proportional to 912,976,607.36, 1,368,612,929.28 and 360,283,617.92

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Solution

The fourth proportional to 912,976,607.36, 1,368,612,929.28 and 360,283,617.92 is: 540,089,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,976,607.36 : 1,368,612,929.28 = 360,283,617.92 : x
  2. Step 2: Convert to fraction form
    912,976,607.36/1,368,612,929.28 = 360,283,617.92/x
  3. Step 3: Cross multiply
    912,976,607.36x = 1,368,612,929.28 × 360,283,617.92
  4. Step 4: Simplify right side
    912,976,607.36x = 493,088,817,693,087,488
  5. Step 5: Solve for x
    x = 493,088,817,693,087,488/912,976,607.36
  6. Step 6: Final answer
    x = 540,089,213.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.