Home / 1,151,748,979,411.80-1,589,439,273,908.70-657,343,619,533.40

Finding the Fourth Proportional to 1,151,748,979,411.80, 1,589,439,273,908.70 and 657,343,619,533.40

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Solution

The fourth proportional to 1,151,748,979,411.80, 1,589,439,273,908.70 and 657,343,619,533.40 is: 907,148,852,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,748,979,411.80 : 1,589,439,273,908.70 = 657,343,619,533.40 : x
  2. Step 2: Convert to fraction form
    1,151,748,979,411.80/1,589,439,273,908.70 = 657,343,619,533.40/x
  3. Step 3: Cross multiply
    1,151,748,979,411.80x = 1,589,439,273,908.70 × 657,343,619,533.40
  4. Step 4: Simplify right side
    1,151,748,979,411.80x = 1,044,807,765,339,684,032,479,232
  5. Step 5: Solve for x
    x = 1,044,807,765,339,684,032,479,232/1,151,748,979,411.80
  6. Step 6: Final answer
    x = 907,148,852,758.93

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Double scale
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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.