Home / 519,159,325.17-716,439,903.70-284,209,985.66

Finding the Fourth Proportional to 519,159,325.17, 716,439,903.70 and 284,209,985.66

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Solution

The fourth proportional to 519,159,325.17, 716,439,903.70 and 284,209,985.66 is: 392,209,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,159,325.17 : 716,439,903.70 = 284,209,985.66 : x
  2. Step 2: Convert to fraction form
    519,159,325.17/716,439,903.70 = 284,209,985.66/x
  3. Step 3: Cross multiply
    519,159,325.17x = 716,439,903.70 × 284,209,985.66
  4. Step 4: Simplify right side
    519,159,325.17x = 203,619,374,756,828,800
  5. Step 5: Solve for x
    x = 203,619,374,756,828,800/519,159,325.17
  6. Step 6: Final answer
    x = 392,209,799.35

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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.