Home / 1,500,287,948.17-2,070,397,368.45-840,238,226.17

Finding the Fourth Proportional to 1,500,287,948.17, 2,070,397,368.45 and 840,238,226.17

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Solution

The fourth proportional to 1,500,287,948.17, 2,070,397,368.45 and 840,238,226.17 is: 1,159,528,752.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,287,948.17 : 2,070,397,368.45 = 840,238,226.17 : x
  2. Step 2: Convert to fraction form
    1,500,287,948.17/2,070,397,368.45 = 840,238,226.17/x
  3. Step 3: Cross multiply
    1,500,287,948.17x = 2,070,397,368.45 × 840,238,226.17
  4. Step 4: Simplify right side
    1,500,287,948.17x = 1,739,627,012,328,288,000
  5. Step 5: Solve for x
    x = 1,739,627,012,328,288,000/1,500,287,948.17
  6. Step 6: Final answer
    x = 1,159,528,752.10

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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.