Home / 1,310,596,506.43-1,808,610,955.68-715,880,763.16

Finding the Fourth Proportional to 1,310,596,506.43, 1,808,610,955.68 and 715,880,763.16

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Solution

The fourth proportional to 1,310,596,506.43, 1,808,610,955.68 and 715,880,763.16 is: 987,908,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,596,506.43 : 1,808,610,955.68 = 715,880,763.16 : x
  2. Step 2: Convert to fraction form
    1,310,596,506.43/1,808,610,955.68 = 715,880,763.16/x
  3. Step 3: Cross multiply
    1,310,596,506.43x = 1,808,610,955.68 × 715,880,763.16
  4. Step 4: Simplify right side
    1,310,596,506.43x = 1,294,749,791,207,213,824
  5. Step 5: Solve for x
    x = 1,294,749,791,207,213,824/1,310,596,506.43
  6. Step 6: Final answer
    x = 987,908,776.54

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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.