Home / 70,579,709,146.98-97,400,328,463.53-40,097,565,391.64

Finding the Fourth Proportional to 70,579,709,146.98, 97,400,328,463.53 and 40,097,565,391.64

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Solution

The fourth proportional to 70,579,709,146.98, 97,400,328,463.53 and 40,097,565,391.64 is: 55,334,827,628.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579,709,146.98 : 97,400,328,463.53 = 40,097,565,391.64 : x
  2. Step 2: Convert to fraction form
    70,579,709,146.98/97,400,328,463.53 = 40,097,565,391.64/x
  3. Step 3: Cross multiply
    70,579,709,146.98x = 97,400,328,463.53 × 40,097,565,391.64
  4. Step 4: Simplify right side
    70,579,709,146.98x = 3,905,516,039,733,219,688,448
  5. Step 5: Solve for x
    x = 3,905,516,039,733,219,688,448/70,579,709,146.98
  6. Step 6: Final answer
    x = 55,334,827,628.72

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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.