Home / 1,107,077,085.20-1,527,798,264.03-612,071,680.16

Finding the Fourth Proportional to 1,107,077,085.20, 1,527,798,264.03 and 612,071,680.16

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Solution

The fourth proportional to 1,107,077,085.20, 1,527,798,264.03 and 612,071,680.16 is: 844,676,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,077,085.20 : 1,527,798,264.03 = 612,071,680.16 : x
  2. Step 2: Convert to fraction form
    1,107,077,085.20/1,527,798,264.03 = 612,071,680.16/x
  3. Step 3: Cross multiply
    1,107,077,085.20x = 1,527,798,264.03 × 612,071,680.16
  4. Step 4: Simplify right side
    1,107,077,085.20x = 935,122,050,402,734,336
  5. Step 5: Solve for x
    x = 935,122,050,402,734,336/1,107,077,085.20
  6. Step 6: Final answer
    x = 844,676,547.74

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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.