Home / 740,319,926.40-1,021,641,595.20-410,316,370.56

Finding the Fourth Proportional to 740,319,926.40, 1,021,641,595.20 and 410,316,370.56

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Solution

The fourth proportional to 740,319,926.40, 1,021,641,595.20 and 410,316,370.56 is: 566,236,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,319,926.40 : 1,021,641,595.20 = 410,316,370.56 : x
  2. Step 2: Convert to fraction form
    740,319,926.40/1,021,641,595.20 = 410,316,370.56/x
  3. Step 3: Cross multiply
    740,319,926.40x = 1,021,641,595.20 × 410,316,370.56
  4. Step 4: Simplify right side
    740,319,926.40x = 419,196,271,355,592,768
  5. Step 5: Solve for x
    x = 419,196,271,355,592,768/740,319,926.40
  6. Step 6: Final answer
    x = 566,236,645.01

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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.