Home / 686,087,507,140.40-948,159,211,595.95-562,293,391,443.50

Finding the Fourth Proportional to 686,087,507,140.40, 948,159,211,595.95 and 562,293,391,443.50

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Solution

The fourth proportional to 686,087,507,140.40, 948,159,211,595.95 and 562,293,391,443.50 is: 777,078,219,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,087,507,140.40 : 948,159,211,595.95 = 562,293,391,443.50 : x
  2. Step 2: Convert to fraction form
    686,087,507,140.40/948,159,211,595.95 = 562,293,391,443.50/x
  3. Step 3: Cross multiply
    686,087,507,140.40x = 948,159,211,595.95 × 562,293,391,443.50
  4. Step 4: Simplify right side
    686,087,507,140.40x = 533,143,658,716,681,828,564,992
  5. Step 5: Solve for x
    x = 533,143,658,716,681,828,564,992/686,087,507,140.40
  6. Step 6: Final answer
    x = 777,078,219,859.76

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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.