Home / 566,191,762,606.25-781,344,602,510.75-305,769,446,718.78

Finding the Fourth Proportional to 566,191,762,606.25, 781,344,602,510.75 and 305,769,446,718.78

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Solution

The fourth proportional to 566,191,762,606.25, 781,344,602,510.75 and 305,769,446,718.78 is: 421,961,820,332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,191,762,606.25 : 781,344,602,510.75 = 305,769,446,718.78 : x
  2. Step 2: Convert to fraction form
    566,191,762,606.25/781,344,602,510.75 = 305,769,446,718.78/x
  3. Step 3: Cross multiply
    566,191,762,606.25x = 781,344,602,510.75 × 305,769,446,718.78
  4. Step 4: Simplify right side
    566,191,762,606.25x = 238,911,306,806,417,139,171,328
  5. Step 5: Solve for x
    x = 238,911,306,806,417,139,171,328/566,191,762,606.25
  6. Step 6: Final answer
    x = 421,961,820,332.18

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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.