Home / 1,502,138,827.86-2,072,677,488.90-866,827,549.08

Finding the Fourth Proportional to 1,502,138,827.86, 2,072,677,488.90 and 866,827,549.08

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Solution

The fourth proportional to 1,502,138,827.86, 2,072,677,488.90 and 866,827,549.08 is: 1,196,063,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,138,827.86 : 2,072,677,488.90 = 866,827,549.08 : x
  2. Step 2: Convert to fraction form
    1,502,138,827.86/2,072,677,488.90 = 866,827,549.08/x
  3. Step 3: Cross multiply
    1,502,138,827.86x = 2,072,677,488.90 × 866,827,549.08
  4. Step 4: Simplify right side
    1,502,138,827.86x = 1,796,653,947,736,476,160
  5. Step 5: Solve for x
    x = 1,796,653,947,736,476,160/1,502,138,827.86
  6. Step 6: Final answer
    x = 1,196,063,848.70

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Double scale
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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.