Home / 1,386,337,345.60-2,080,302,280.80-525,312,270.40

Finding the Fourth Proportional to 1,386,337,345.60, 2,080,302,280.80 and 525,312,270.40

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Solution

The fourth proportional to 1,386,337,345.60, 2,080,302,280.80 and 525,312,270.40 is: 788,270,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,337,345.60 : 2,080,302,280.80 = 525,312,270.40 : x
  2. Step 2: Convert to fraction form
    1,386,337,345.60/2,080,302,280.80 = 525,312,270.40/x
  3. Step 3: Cross multiply
    1,386,337,345.60x = 2,080,302,280.80 × 525,312,270.40
  4. Step 4: Simplify right side
    1,386,337,345.60x = 1,092,808,314,245,346,304
  5. Step 5: Solve for x
    x = 1,092,808,314,245,346,304/1,386,337,345.60
  6. Step 6: Final answer
    x = 788,270,126.11

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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.