Home / 1,712,212,813.71-2,362,865,776.17-929,931,661.71

Finding the Fourth Proportional to 1,712,212,813.71, 2,362,865,776.17 and 929,931,661.71

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Solution

The fourth proportional to 1,712,212,813.71, 2,362,865,776.17 and 929,931,661.71 is: 1,283,312,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,212,813.71 : 2,362,865,776.17 = 929,931,661.71 : x
  2. Step 2: Convert to fraction form
    1,712,212,813.71/2,362,865,776.17 = 929,931,661.71/x
  3. Step 3: Cross multiply
    1,712,212,813.71x = 2,362,865,776.17 × 929,931,661.71
  4. Step 4: Simplify right side
    1,712,212,813.71x = 2,197,303,697,631,457,280
  5. Step 5: Solve for x
    x = 2,197,303,697,631,457,280/1,712,212,813.71
  6. Step 6: Final answer
    x = 1,283,312,261.21

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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.