Home / 1,239,750,398.40-1,710,857,300.58-675,237,496.92

Finding the Fourth Proportional to 1,239,750,398.40, 1,710,857,300.58 and 675,237,496.92

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Solution

The fourth proportional to 1,239,750,398.40, 1,710,857,300.58 and 675,237,496.92 is: 931,828,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,750,398.40 : 1,710,857,300.58 = 675,237,496.92 : x
  2. Step 2: Convert to fraction form
    1,239,750,398.40/1,710,857,300.58 = 675,237,496.92/x
  3. Step 3: Cross multiply
    1,239,750,398.40x = 1,710,857,300.58 × 675,237,496.92
  4. Step 4: Simplify right side
    1,239,750,398.40x = 1,155,235,001,230,947,072
  5. Step 5: Solve for x
    x = 1,155,235,001,230,947,072/1,239,750,398.40
  6. Step 6: Final answer
    x = 931,828,699.33

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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.