Home / 926,615,398.12-1,278,418,139.46-524,674,225

Finding the Fourth Proportional to 926,615,398.12, 1,278,418,139.46 and 524,674,225

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Solution

The fourth proportional to 926,615,398.12, 1,278,418,139.46 and 524,674,225 is: 723,874,271.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,615,398.12 : 1,278,418,139.46 = 524,674,225 : x
  2. Step 2: Convert to fraction form
    926,615,398.12/1,278,418,139.46 = 524,674,225/x
  3. Step 3: Cross multiply
    926,615,398.12x = 1,278,418,139.46 × 524,674,225
  4. Step 4: Simplify right side
    926,615,398.12x = 670,753,046,547,117,440
  5. Step 5: Solve for x
    x = 670,753,046,547,117,440/926,615,398.12
  6. Step 6: Final answer
    x = 723,874,271.79

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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.