Home / 522,666,444.48-784,117,779.68-172,911,692.16

Finding the Fourth Proportional to 522,666,444.48, 784,117,779.68 and 172,911,692.16

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Solution

The fourth proportional to 522,666,444.48, 784,117,779.68 and 172,911,692.16 is: 259,406,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,666,444.48 : 784,117,779.68 = 172,911,692.16 : x
  2. Step 2: Convert to fraction form
    522,666,444.48/784,117,779.68 = 172,911,692.16/x
  3. Step 3: Cross multiply
    522,666,444.48x = 784,117,779.68 × 172,911,692.16
  4. Step 4: Simplify right side
    522,666,444.48x = 135,583,132,137,210,848
  5. Step 5: Solve for x
    x = 135,583,132,137,210,848/522,666,444.48
  6. Step 6: Final answer
    x = 259,406,613.09

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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.