Home / 1,304,960,892.75-1,800,845,931.69-710,249,641.29

Finding the Fourth Proportional to 1,304,960,892.75, 1,800,845,931.69 and 710,249,641.29

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Solution

The fourth proportional to 1,304,960,892.75, 1,800,845,931.69 and 710,249,641.29 is: 980,144,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,960,892.75 : 1,800,845,931.69 = 710,249,641.29 : x
  2. Step 2: Convert to fraction form
    1,304,960,892.75/1,800,845,931.69 = 710,249,641.29/x
  3. Step 3: Cross multiply
    1,304,960,892.75x = 1,800,845,931.69 × 710,249,641.29
  4. Step 4: Simplify right side
    1,304,960,892.75x = 1,279,050,177,001,378,304
  5. Step 5: Solve for x
    x = 1,279,050,177,001,378,304/1,304,960,892.75
  6. Step 6: Final answer
    x = 980,144,450.39

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Half scale
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Double scale
Find fourth proportional to 1,304,960,893.75, 1,800,845,933.07 and 710,249,642.29
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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.