Home / 747,154,159.29-1,120,616,302.43-249,173,422.76

Finding the Fourth Proportional to 747,154,159.29, 1,120,616,302.43 and 249,173,422.76

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Solution

The fourth proportional to 747,154,159.29, 1,120,616,302.43 and 249,173,422.76 is: 373,721,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,154,159.29 : 1,120,616,302.43 = 249,173,422.76 : x
  2. Step 2: Convert to fraction form
    747,154,159.29/1,120,616,302.43 = 249,173,422.76/x
  3. Step 3: Cross multiply
    747,154,159.29x = 1,120,616,302.43 × 249,173,422.76
  4. Step 4: Simplify right side
    747,154,159.29x = 279,227,799,680,562,848
  5. Step 5: Solve for x
    x = 279,227,799,680,562,848/747,154,159.29
  6. Step 6: Final answer
    x = 373,721,803.20

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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.