Home / 1,245,778,875.30-1,868,668,312.95-325,748,216.10

Finding the Fourth Proportional to 1,245,778,875.30, 1,868,668,312.95 and 325,748,216.10

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Solution

The fourth proportional to 1,245,778,875.30, 1,868,668,312.95 and 325,748,216.10 is: 488,622,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,778,875.30 : 1,868,668,312.95 = 325,748,216.10 : x
  2. Step 2: Convert to fraction form
    1,245,778,875.30/1,868,668,312.95 = 325,748,216.10/x
  3. Step 3: Cross multiply
    1,245,778,875.30x = 1,868,668,312.95 × 325,748,216.10
  4. Step 4: Simplify right side
    1,245,778,875.30x = 608,715,369,426,059,136
  5. Step 5: Solve for x
    x = 608,715,369,426,059,136/1,245,778,875.30
  6. Step 6: Final answer
    x = 488,622,324.15

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Double scale
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Similar ratio
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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.