Home / 625,997,921.40-943,496,461.62-539,602,214.13

Finding the Fourth Proportional to 625,997,921.40, 943,496,461.62 and 539,602,214.13

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Solution

The fourth proportional to 625,997,921.40, 943,496,461.62 and 539,602,214.13 is: 813,281,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,997,921.40 : 943,496,461.62 = 539,602,214.13 : x
  2. Step 2: Convert to fraction form
    625,997,921.40/943,496,461.62 = 539,602,214.13/x
  3. Step 3: Cross multiply
    625,997,921.40x = 943,496,461.62 × 539,602,214.13
  4. Step 4: Simplify right side
    625,997,921.40x = 509,112,779,713,972,544
  5. Step 5: Solve for x
    x = 509,112,779,713,972,544/625,997,921.40
  6. Step 6: Final answer
    x = 813,281,901.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.