Home / 1,297,956,142.02-1,946,934,214.65-315,377,632.74

Finding the Fourth Proportional to 1,297,956,142.02, 1,946,934,214.65 and 315,377,632.74

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Solution

The fourth proportional to 1,297,956,142.02, 1,946,934,214.65 and 315,377,632.74 is: 473,066,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,956,142.02 : 1,946,934,214.65 = 315,377,632.74 : x
  2. Step 2: Convert to fraction form
    1,297,956,142.02/1,946,934,214.65 = 315,377,632.74/x
  3. Step 3: Cross multiply
    1,297,956,142.02x = 1,946,934,214.65 × 315,377,632.74
  4. Step 4: Simplify right side
    1,297,956,142.02x = 614,019,503,716,828,032
  5. Step 5: Solve for x
    x = 614,019,503,716,828,032/1,297,956,142.02
  6. Step 6: Final answer
    x = 473,066,449.50

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Double scale
Find fourth proportional to 1,297,956,143.02, 1,946,934,216.15 and 315,377,633.74
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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.