Home / 1,297,956,141.52-1,946,934,213.90-315,377,632.24

Finding the Fourth Proportional to 1,297,956,141.52, 1,946,934,213.90 and 315,377,632.24

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Solution

The fourth proportional to 1,297,956,141.52, 1,946,934,213.90 and 315,377,632.24 is: 473,066,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,956,141.52 : 1,946,934,213.90 = 315,377,632.24 : x
  2. Step 2: Convert to fraction form
    1,297,956,141.52/1,946,934,213.90 = 315,377,632.24/x
  3. Step 3: Cross multiply
    1,297,956,141.52x = 1,946,934,213.90 × 315,377,632.24
  4. Step 4: Simplify right side
    1,297,956,141.52x = 614,019,502,506,827,776
  5. Step 5: Solve for x
    x = 614,019,502,506,827,776/1,297,956,141.52
  6. Step 6: Final answer
    x = 473,066,448.75

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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.