Home / 1,928,256,133,385.80-2,660,993,898,420.20-1,061,160,911,551.40

Finding the Fourth Proportional to 1,928,256,133,385.80, 2,660,993,898,420.20 and 1,061,160,911,551.40

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Solution

The fourth proportional to 1,928,256,133,385.80, 2,660,993,898,420.20 and 1,061,160,911,551.40 is: 1,464,402,296,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,256,133,385.80 : 2,660,993,898,420.20 = 1,061,160,911,551.40 : x
  2. Step 2: Convert to fraction form
    1,928,256,133,385.80/2,660,993,898,420.20 = 1,061,160,911,551.40/x
  3. Step 3: Cross multiply
    1,928,256,133,385.80x = 2,660,993,898,420.20 × 1,061,160,911,551.40
  4. Step 4: Simplify right side
    1,928,256,133,385.80x = 2,823,742,710,880,293,263,245,312
  5. Step 5: Solve for x
    x = 2,823,742,710,880,293,263,245,312/1,928,256,133,385.80
  6. Step 6: Final answer
    x = 1,464,402,296,971.89

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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.