Home / 1,177,429,904.38-1,624,887,927.75-648,827,941.15

Finding the Fourth Proportional to 1,177,429,904.38, 1,624,887,927.75 and 648,827,941.15

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Solution

The fourth proportional to 1,177,429,904.38, 1,624,887,927.75 and 648,827,941.15 is: 895,401,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,429,904.38 : 1,624,887,927.75 = 648,827,941.15 : x
  2. Step 2: Convert to fraction form
    1,177,429,904.38/1,624,887,927.75 = 648,827,941.15/x
  3. Step 3: Cross multiply
    1,177,429,904.38x = 1,624,887,927.75 × 648,827,941.15
  4. Step 4: Simplify right side
    1,177,429,904.38x = 1,054,272,688,761,522,432
  5. Step 5: Solve for x
    x = 1,054,272,688,761,522,432/1,177,429,904.38
  6. Step 6: Final answer
    x = 895,401,658.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.