Home / 758,208,000.30-1,137,312,000.45-350,061,312.30

Finding the Fourth Proportional to 758,208,000.30, 1,137,312,000.45 and 350,061,312.30

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Solution

The fourth proportional to 758,208,000.30, 1,137,312,000.45 and 350,061,312.30 is: 525,091,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,208,000.30 : 1,137,312,000.45 = 350,061,312.30 : x
  2. Step 2: Convert to fraction form
    758,208,000.30/1,137,312,000.45 = 350,061,312.30/x
  3. Step 3: Cross multiply
    758,208,000.30x = 1,137,312,000.45 × 350,061,312.30
  4. Step 4: Simplify right side
    758,208,000.30x = 398,128,931,372,065,216
  5. Step 5: Solve for x
    x = 398,128,931,372,065,216/758,208,000.30
  6. Step 6: Final answer
    x = 525,091,968.45

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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.