Home / 1,053,440,124.30-1,453,746,865.91-630,053,778.17

Finding the Fourth Proportional to 1,053,440,124.30, 1,453,746,865.91 and 630,053,778.17

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Solution

The fourth proportional to 1,053,440,124.30, 1,453,746,865.91 and 630,053,778.17 is: 869,473,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,440,124.30 : 1,453,746,865.91 = 630,053,778.17 : x
  2. Step 2: Convert to fraction form
    1,053,440,124.30/1,453,746,865.91 = 630,053,778.17/x
  3. Step 3: Cross multiply
    1,053,440,124.30x = 1,453,746,865.91 × 630,053,778.17
  4. Step 4: Simplify right side
    1,053,440,124.30x = 915,938,705,369,905,152
  5. Step 5: Solve for x
    x = 915,938,705,369,905,152/1,053,440,124.30
  6. Step 6: Final answer
    x = 869,473,911.47

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Double scale
Find fourth proportional to 1,053,440,125.30, 1,453,746,867.29 and 630,053,779.17
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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.