Home / 683,699,264.88-943,160,979.96-448,717,312.32

Finding the Fourth Proportional to 683,699,264.88, 943,160,979.96 and 448,717,312.32

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Solution

The fourth proportional to 683,699,264.88, 943,160,979.96 and 448,717,312.32 is: 619,004,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,699,264.88 : 943,160,979.96 = 448,717,312.32 : x
  2. Step 2: Convert to fraction form
    683,699,264.88/943,160,979.96 = 448,717,312.32/x
  3. Step 3: Cross multiply
    683,699,264.88x = 943,160,979.96 × 448,717,312.32
  4. Step 4: Simplify right side
    683,699,264.88x = 423,212,660,012,748,608
  5. Step 5: Solve for x
    x = 423,212,660,012,748,608/683,699,264.88
  6. Step 6: Final answer
    x = 619,004,117.38

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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.