Home / 915,909,225.30-1,373,141,266.11-455,596,152.66

Finding the Fourth Proportional to 915,909,225.30, 1,373,141,266.11 and 455,596,152.66

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Solution

The fourth proportional to 915,909,225.30, 1,373,141,266.11 and 455,596,152.66 is: 683,034,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,909,225.30 : 1,373,141,266.11 = 455,596,152.66 : x
  2. Step 2: Convert to fraction form
    915,909,225.30/1,373,141,266.11 = 455,596,152.66/x
  3. Step 3: Cross multiply
    915,909,225.30x = 1,373,141,266.11 × 455,596,152.66
  4. Step 4: Simplify right side
    915,909,225.30x = 625,597,877,898,397,184
  5. Step 5: Solve for x
    x = 625,597,877,898,397,184/915,909,225.30
  6. Step 6: Final answer
    x = 683,034,803.69

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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.