Home / 881,087,644.48-1,217,144,313.12-706,038,479.68

Finding the Fourth Proportional to 881,087,644.48, 1,217,144,313.12 and 706,038,479.68

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Solution

The fourth proportional to 881,087,644.48, 1,217,144,313.12 and 706,038,479.68 is: 975,329,441.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,087,644.48 : 1,217,144,313.12 = 706,038,479.68 : x
  2. Step 2: Convert to fraction form
    881,087,644.48/1,217,144,313.12 = 706,038,479.68/x
  3. Step 3: Cross multiply
    881,087,644.48x = 1,217,144,313.12 × 706,038,479.68
  4. Step 4: Simplify right side
    881,087,644.48x = 859,350,720,386,402,560
  5. Step 5: Solve for x
    x = 859,350,720,386,402,560/881,087,644.48
  6. Step 6: Final answer
    x = 975,329,441.71

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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.