Home / 1,175,153,478.30-1,762,730,217.45-830,779,710.30

Finding the Fourth Proportional to 1,175,153,478.30, 1,762,730,217.45 and 830,779,710.30

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Solution

The fourth proportional to 1,175,153,478.30, 1,762,730,217.45 and 830,779,710.30 is: 1,246,169,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,153,478.30 : 1,762,730,217.45 = 830,779,710.30 : x
  2. Step 2: Convert to fraction form
    1,175,153,478.30/1,762,730,217.45 = 830,779,710.30/x
  3. Step 3: Cross multiply
    1,175,153,478.30x = 1,762,730,217.45 × 830,779,710.30
  4. Step 4: Simplify right side
    1,175,153,478.30x = 1,464,440,499,390,167,040
  5. Step 5: Solve for x
    x = 1,464,440,499,390,167,040/1,175,153,478.30
  6. Step 6: Final answer
    x = 1,246,169,565.45

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Double scale
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Similar ratio
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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.