Home / 1,317,200,440.38-1,976,015,511.45-540,637,681.02

Finding the Fourth Proportional to 1,317,200,440.38, 1,976,015,511.45 and 540,637,681.02

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Solution

The fourth proportional to 1,317,200,440.38, 1,976,015,511.45 and 540,637,681.02 is: 811,044,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,200,440.38 : 1,976,015,511.45 = 540,637,681.02 : x
  2. Step 2: Convert to fraction form
    1,317,200,440.38/1,976,015,511.45 = 540,637,681.02/x
  3. Step 3: Cross multiply
    1,317,200,440.38x = 1,976,015,511.45 × 540,637,681.02
  4. Step 4: Simplify right side
    1,317,200,440.38x = 1,068,308,443,769,877,248
  5. Step 5: Solve for x
    x = 1,068,308,443,769,877,248/1,317,200,440.38
  6. Step 6: Final answer
    x = 811,044,705.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.