Home / 745,637,768,784.12-1,029,259,944,214.40-488,737,221,641.40

Finding the Fourth Proportional to 745,637,768,784.12, 1,029,259,944,214.40 and 488,737,221,641.40

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Solution

The fourth proportional to 745,637,768,784.12, 1,029,259,944,214.40 and 488,737,221,641.40 is: 674,640,779,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,637,768,784.12 : 1,029,259,944,214.40 = 488,737,221,641.40 : x
  2. Step 2: Convert to fraction form
    745,637,768,784.12/1,029,259,944,214.40 = 488,737,221,641.40/x
  3. Step 3: Cross multiply
    745,637,768,784.12x = 1,029,259,944,214.40 × 488,737,221,641.40
  4. Step 4: Simplify right side
    745,637,768,784.12x = 503,037,645,482,128,232,677,376
  5. Step 5: Solve for x
    x = 503,037,645,482,128,232,677,376/745,637,768,784.12
  6. Step 6: Final answer
    x = 674,640,779,399.37

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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.