Home / 1,119,753,902.60-1,679,630,853.90-506,358,139.40

Finding the Fourth Proportional to 1,119,753,902.60, 1,679,630,853.90 and 506,358,139.40

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Solution

The fourth proportional to 1,119,753,902.60, 1,679,630,853.90 and 506,358,139.40 is: 759,537,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,753,902.60 : 1,679,630,853.90 = 506,358,139.40 : x
  2. Step 2: Convert to fraction form
    1,119,753,902.60/1,679,630,853.90 = 506,358,139.40/x
  3. Step 3: Cross multiply
    1,119,753,902.60x = 1,679,630,853.90 × 506,358,139.40
  4. Step 4: Simplify right side
    1,119,753,902.60x = 850,494,754,059,637,248
  5. Step 5: Solve for x
    x = 850,494,754,059,637,248/1,119,753,902.60
  6. Step 6: Final answer
    x = 759,537,209.10

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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.