Home / 498,506,307.05-747,091,058.69-387,975,444.59

Finding the Fourth Proportional to 498,506,307.05, 747,091,058.69 and 387,975,444.59

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Solution

The fourth proportional to 498,506,307.05, 747,091,058.69 and 387,975,444.59 is: 581,442,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,506,307.05 : 747,091,058.69 = 387,975,444.59 : x
  2. Step 2: Convert to fraction form
    498,506,307.05/747,091,058.69 = 387,975,444.59/x
  3. Step 3: Cross multiply
    498,506,307.05x = 747,091,058.69 × 387,975,444.59
  4. Step 4: Simplify right side
    498,506,307.05x = 289,852,985,638,791,168
  5. Step 5: Solve for x
    x = 289,852,985,638,791,168/498,506,307.05
  6. Step 6: Final answer
    x = 581,442,965.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.