Home / 1,224,881,764,373.90-1,690,328,235,895.70-668,686,891,275.17

Finding the Fourth Proportional to 1,224,881,764,373.90, 1,690,328,235,895.70 and 668,686,891,275.17

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Solution

The fourth proportional to 1,224,881,764,373.90, 1,690,328,235,895.70 and 668,686,891,275.17 is: 922,783,215,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,881,764,373.90 : 1,690,328,235,895.70 = 668,686,891,275.17 : x
  2. Step 2: Convert to fraction form
    1,224,881,764,373.90/1,690,328,235,895.70 = 668,686,891,275.17/x
  3. Step 3: Cross multiply
    1,224,881,764,373.90x = 1,690,328,235,895.70 × 668,686,891,275.17
  4. Step 4: Simplify right side
    1,224,881,764,373.90x = 1,130,300,333,295,737,931,563,008
  5. Step 5: Solve for x
    x = 1,130,300,333,295,737,931,563,008/1,224,881,764,373.90
  6. Step 6: Final answer
    x = 922,783,215,630.20

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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.