Home / 913,839,670,051.32-1,261,081,779,165.80-502,299,350,938.40

Finding the Fourth Proportional to 913,839,670,051.32, 1,261,081,779,165.80 and 502,299,350,938.40

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Solution

The fourth proportional to 913,839,670,051.32, 1,261,081,779,165.80 and 502,299,350,938.40 is: 693,163,779,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,839,670,051.32 : 1,261,081,779,165.80 = 502,299,350,938.40 : x
  2. Step 2: Convert to fraction form
    913,839,670,051.32/1,261,081,779,165.80 = 502,299,350,938.40/x
  3. Step 3: Cross multiply
    913,839,670,051.32x = 1,261,081,779,165.80 × 502,299,350,938.40
  4. Step 4: Simplify right side
    913,839,670,051.32x = 633,440,559,155,224,095,227,904
  5. Step 5: Solve for x
    x = 633,440,559,155,224,095,227,904/913,839,670,051.32
  6. Step 6: Final answer
    x = 693,163,779,068.22

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Double scale
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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.