Home / 1,214,421,962.32-1,675,881,985.80-657,500,487.76

Finding the Fourth Proportional to 1,214,421,962.32, 1,675,881,985.80 and 657,500,487.76

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Solution

The fourth proportional to 1,214,421,962.32, 1,675,881,985.80 and 657,500,487.76 is: 907,339,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,421,962.32 : 1,675,881,985.80 = 657,500,487.76 : x
  2. Step 2: Convert to fraction form
    1,214,421,962.32/1,675,881,985.80 = 657,500,487.76/x
  3. Step 3: Cross multiply
    1,214,421,962.32x = 1,675,881,985.80 × 657,500,487.76
  4. Step 4: Simplify right side
    1,214,421,962.32x = 1,101,893,223,091,697,408
  5. Step 5: Solve for x
    x = 1,101,893,223,091,697,408/1,214,421,962.32
  6. Step 6: Final answer
    x = 907,339,670.46

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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.