Home / 915,909,228.80-1,373,141,271.36-455,596,156.16

Finding the Fourth Proportional to 915,909,228.80, 1,373,141,271.36 and 455,596,156.16

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Solution

The fourth proportional to 915,909,228.80, 1,373,141,271.36 and 455,596,156.16 is: 683,034,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,909,228.80 : 1,373,141,271.36 = 455,596,156.16 : x
  2. Step 2: Convert to fraction form
    915,909,228.80/1,373,141,271.36 = 455,596,156.16/x
  3. Step 3: Cross multiply
    915,909,228.80x = 1,373,141,271.36 × 455,596,156.16
  4. Step 4: Simplify right side
    915,909,228.80x = 625,597,885,096,271,488
  5. Step 5: Solve for x
    x = 625,597,885,096,271,488/915,909,228.80
  6. Step 6: Final answer
    x = 683,034,808.94

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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.