Home / 1,398,713,352.36-1,931,095,697.65-890,363,000.62

Finding the Fourth Proportional to 1,398,713,352.36, 1,931,095,697.65 and 890,363,000.62

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Solution

The fourth proportional to 1,398,713,352.36, 1,931,095,697.65 and 890,363,000.62 is: 1,229,255,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,713,352.36 : 1,931,095,697.65 = 890,363,000.62 : x
  2. Step 2: Convert to fraction form
    1,398,713,352.36/1,931,095,697.65 = 890,363,000.62/x
  3. Step 3: Cross multiply
    1,398,713,352.36x = 1,931,095,697.65 × 890,363,000.62
  4. Step 4: Simplify right side
    1,398,713,352.36x = 1,719,376,159,838,475,264
  5. Step 5: Solve for x
    x = 1,719,376,159,838,475,264/1,398,713,352.36
  6. Step 6: Final answer
    x = 1,229,255,556.14

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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.