Home / 370,878,931.80-556,318,397.70-349,715,770.20

Finding the Fourth Proportional to 370,878,931.80, 556,318,397.70 and 349,715,770.20

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Solution

The fourth proportional to 370,878,931.80, 556,318,397.70 and 349,715,770.20 is: 524,573,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,878,931.80 : 556,318,397.70 = 349,715,770.20 : x
  2. Step 2: Convert to fraction form
    370,878,931.80/556,318,397.70 = 349,715,770.20/x
  3. Step 3: Cross multiply
    370,878,931.80x = 556,318,397.70 × 349,715,770.20
  4. Step 4: Simplify right side
    370,878,931.80x = 194,553,316,928,085,408
  5. Step 5: Solve for x
    x = 194,553,316,928,085,408/370,878,931.80
  6. Step 6: Final answer
    x = 524,573,655.30

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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.